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NetBSD 6.1.5 - man page for tmux (netbsd section 1)

TMUX(1) 			   BSD General Commands Manual				  TMUX(1)

NAME
     tmux -- terminal multiplexer

SYNOPSIS
     tmux [-28lquvV] [-c shell-command] [-f file] [-L socket-name] [-S socket-path]
	  [command [flags]]

DESCRIPTION
     tmux is a terminal multiplexer: it enables a number of terminals to be created, accessed,
     and controlled from a single screen.  tmux may be detached from a screen and continue run-
     ning in the background, then later reattached.

     When tmux is started it creates a new session with a single window and displays it on
     screen.  A status line at the bottom of the screen shows information on the current session
     and is used to enter interactive commands.

     A session is a single collection of pseudo terminals under the management of tmux.  Each
     session has one or more windows linked to it.  A window occupies the entire screen and may
     be split into rectangular panes, each of which is a separate pseudo terminal (the pty(4)
     manual page documents the technical details of pseudo terminals).	Any number of tmux
     instances may connect to the same session, and any number of windows may be present in the
     same session.  Once all sessions are killed, tmux exits.

     Each session is persistent and will survive accidental disconnection (such as ssh(1) connec-
     tion timeout) or intentional detaching (with the 'C-b d' key strokes).  tmux may be reat-
     tached using:

	   $ tmux attach

     In tmux, a session is displayed on screen by a client and all sessions are managed by a sin-
     gle server.  The server and each client are separate processes which communicate through a
     socket in /tmp.

     The options are as follows:

     -2 	   Force tmux to assume the terminal supports 256 colours.

     -8 	   Like -2, but indicates that the terminal supports 88 colours.

     -c shell-command
		   Execute shell-command using the default shell.  If necessary, the tmux server
		   will be started to retrieve the default-shell option.  This option is for com-
		   patibility with sh(1) when tmux is used as a login shell.

     -f file	   Specify an alternative configuration file.  By default, tmux loads the system
		   configuration file from /etc/tmux.conf, if present, then looks for a user con-
		   figuration file at ~/.tmux.conf.  The configuration file is a set of tmux com-
		   mands which are executed in sequence when the server is first started.

		   If a command in the configuration file fails, tmux will report an error and
		   exit without executing further commands.

     -L socket-name
		   tmux stores the server socket in a directory under /tmp (or TMPDIR if set);
		   the default socket is named default.  This option allows a different socket
		   name to be specified, allowing several independent tmux servers to be run.
		   Unlike -S a full path is not necessary: the sockets are all created in the
		   same directory.

		   If the socket is accidentally removed, the SIGUSR1 signal may be sent to the
		   tmux server process to recreate it.

     -l 	   Behave as a login shell.  This flag currently has no effect and is for compat-
		   ibility with other shells when using tmux as a login shell.

     -q 	   Set the quiet server option to prevent the server sending various informa-
		   tional messages.

     -S socket-path
		   Specify a full alternative path to the server socket.  If -S is specified, the
		   default socket directory is not used and any -L flag is ignored.

     -u 	   tmux attempts to guess if the terminal is likely to support UTF-8 by checking
		   the first of the LC_ALL, LC_CTYPE and LANG environment variables to be set for
		   the string "UTF-8".	This is not always correct: the -u flag explicitly
		   informs tmux that UTF-8 is supported.

		   If the server is started from a client passed -u or where UTF-8 is detected,
		   the utf8 and status-utf8 options are enabled in the global window and session
		   options respectively.

     -v 	   Request verbose logging.  This option may be specified multiple times for
		   increasing verbosity.  Log messages will be saved into tmux-client-PID.log and
		   tmux-server-PID.log files in the current directory, where PID is the PID of
		   the server or client process.

     -V 	   Report the tmux version.

     command [flags]
		   This specifies one of a set of commands used to control tmux, as described in
		   the following sections.  If no commands are specified, the new-session command
		   is assumed.

KEY BINDINGS
     tmux may be controlled from an attached client by using a key combination of a prefix key,
     'C-b' (Ctrl-b) by default, followed by a command key.

     The default command key bindings are:

	   C-b	       Send the prefix key (C-b) through to the application.
	   C-o	       Rotate the panes in the current window forwards.
	   C-z	       Suspend the tmux client.
	   !	       Break the current pane out of the window.
	   "	       Split the current pane into two, top and bottom.
	   #	       List all paste buffers.
	   $	       Rename the current session.
	   %	       Split the current pane into two, left and right.
	   &	       Kill the current window.
	   '	       Prompt for a window index to select.
	   ,	       Rename the current window.
	   -	       Delete the most recently copied buffer of text.
	   .	       Prompt for an index to move the current window.
	   0 to 9      Select windows 0 to 9.
	   :	       Enter the tmux command prompt.
	   ;	       Move to the previously active pane.
	   =	       Choose which buffer to paste interactively from a list.
	   ?	       List all key bindings.
	   D	       Choose a client to detach.
	   [	       Enter copy mode to copy text or view the history.
	   ]	       Paste the most recently copied buffer of text.
	   c	       Create a new window.
	   d	       Detach the current client.
	   f	       Prompt to search for text in open windows.
	   i	       Display some information about the current window.
	   l	       Move to the previously selected window.
	   n	       Change to the next window.
	   o	       Select the next pane in the current window.
	   p	       Change to the previous window.
	   q	       Briefly display pane indexes.
	   r	       Force redraw of the attached client.
	   s	       Select a new session for the attached client interactively.
	   L	       Switch the attached client back to the last session.
	   t	       Show the time.
	   w	       Choose the current window interactively.
	   x	       Kill the current pane.
	   {	       Swap the current pane with the previous pane.
	   }	       Swap the current pane with the next pane.
	   ~	       Show previous messages from tmux, if any.
	   Page Up     Enter copy mode and scroll one page up.
	   Up, Down
	   Left, Right
		       Change to the pane above, below, to the left, or to the right of the cur-
		       rent pane.
	   M-1 to M-5  Arrange panes in one of the five preset layouts: even-horizontal, even-
		       vertical, main-horizontal, main-vertical, or tiled.
	   M-n	       Move to the next window with a bell or activity marker.
	   M-o	       Rotate the panes in the current window backwards.
	   M-p	       Move to the previous window with a bell or activity marker.
	   C-Up, C-Down
	   C-Left, C-Right
		       Resize the current pane in steps of one cell.
	   M-Up, M-Down
	   M-Left, M-Right
		       Resize the current pane in steps of five cells.

     Key bindings may be changed with the bind-key and unbind-key commands.

COMMANDS
     This section contains a list of the commands supported by tmux.  Most commands accept the
     optional -t argument with one of target-client, target-session target-window, or
     target-pane.  These specify the client, session, window or pane which a command should
     affect.  target-client is the name of the pty(4) file to which the client is connected, for
     example either of /dev/ttyp1 or ttyp1 for the client attached to /dev/ttyp1.  If no client
     is specified, the current client is chosen, if possible, or an error is reported.	Clients
     may be listed with the list-clients command.

     target-session is either the name of a session (as listed by the list-sessions command) or
     the name of a client with the same syntax as target-client, in which case the session
     attached to the client is used.  When looking for the session name, tmux initially searches
     for an exact match; if none is found, the session names are checked for any for which
     target-session is a prefix or for which it matches as an fnmatch(3) pattern.  If a single
     match is found, it is used as the target session; multiple matches produce an error.  If a
     session is omitted, the current session is used if available; if no current session is
     available, the most recently used is chosen.

     target-window specifies a window in the form session:window.  session follows the same rules
     as for target-session, and window is looked for in order: as a window index, for example
     mysession:1; as an exact window name, such as mysession:mywindow; then as an fnmatch(3) pat-
     tern or the start of a window name, such as mysession:mywin* or mysession:mywin.  An empty
     window name specifies the next unused index if appropriate (for example the new-window and
     link-window commands) otherwise the current window in session is chosen.  The special char-
     acter '!' uses the last (previously current) window, or '+' and '-' are the next window or
     the previous window by number.  When the argument does not contain a colon, tmux first
     attempts to parse it as window; if that fails, an attempt is made to match a session.

     target-pane takes a similar form to target-window but with the optional addition of a period
     followed by a pane index, for example: mysession:mywindow.1.  If the pane index is omitted,
     the currently active pane in the specified window is used.  If neither a colon nor period
     appears, tmux first attempts to use the argument as a pane index; if that fails, it is
     looked up as for target-window.  A '+' or '-' indicate the next or previous pane index,
     respectively.  One of the strings top, bottom, left, right, top-left, top-right, bottom-left
     or bottom-right may be used instead of a pane index.

     The special characters '+' and '-' may be followed by an offset, for example:

	   select-window -t:+2

     When dealing with a session that doesn't contain sequential window indexes, they will be
     correctly skipped.

     tmux also gives each pane created in a server an identifier consisting of a '%' and a num-
     ber, starting from zero.  A pane's identifier is unique for the life of the tmux server and
     is passed to the child process of the pane in the TMUX_PANE environment variable.	It may be
     used alone to target a pane or the window containing it.

     shell-command arguments are sh(1) commands.  These must be passed as a single item, which
     typically means quoting them, for example:

	   new-window 'vi /etc/passwd'

     command [arguments] refers to a tmux command, passed with the command and arguments sepa-
     rately, for example:

	   bind-key F1 set-window-option force-width 81

     Or if using sh(1):

	   $ tmux bind-key F1 set-window-option force-width 81

     Multiple commands may be specified together as part of a command sequence.  Each command
     should be separated by spaces and a semicolon; commands are executed sequentially from left
     to right.	A literal semicolon may be included by escaping it with a backslash (for example,
     when specifying a command sequence to bind-key).

     Example tmux commands include:

	   refresh-client -t/dev/ttyp2

	   rename-session -tfirst newname

	   set-window-option -t:0 monitor-activity on

	   new-window ; split-window -d

     Or from sh(1):

	   $ tmux kill-window -t :1

	   $ tmux new-window \; split-window -d

	   $ tmux new-session -d 'vi /etc/passwd' \; split-window -d \; attach

CLIENTS AND SESSIONS
     The tmux server manages clients, sessions, windows and panes.  Clients are attached to ses-
     sions to interact with them, either when they are created with the new-session command, or
     later with the attach-session command.  Each session has one or more windows linked into it.
     Windows may be linked to multiple sessions and are made up of one or more panes, each of
     which contains a pseudo terminal.	Commands for creating, linking and otherwise manipulating
     windows are covered in the WINDOWS AND PANES section.

     The following commands are available to manage clients and sessions:

     attach-session [-dr] [-t target-session]
		   (alias: attach)
	     If run from outside tmux, create a new client in the current terminal and attach it
	     to target-session.  If used from inside, switch the current client.  If -d is speci-
	     fied, any other clients attached to the session are detached.  -r signifies the
	     client is read-only (only keys bound to the detach-client command have any effect)

	     If no server is started, attach-session will attempt to start it; this will fail
	     unless sessions are created in the configuration file.

	     The target-session rules for attach-session are slightly adjusted: if tmux needs to
	     select the most recently used session, it will prefer the most recently used
	     unattached session.

     detach-client [-P] [-s target-session] [-t target-client]
		   (alias: detach)
	     Detach the current client if bound to a key, the client specified with -t, or all
	     clients currently attached to to the session specified by -s.  If -P is given, send
	     SIGHUP to the parent process of the client, typically causing it to exit.

     has-session [-t target-session]
		   (alias: has)
	     Report an error and exit with 1 if the specified session does not exist.  If it does
	     exist, exit with 0.

     kill-server
	     Kill the tmux server and clients and destroy all sessions.

     kill-session [-t target-session]
	     Destroy the given session, closing any windows linked to it and no other sessions,
	     and detaching all clients attached to it.

     list-clients [-t target-session]
		   (alias: lsc)
	     List all clients attached to the server.  If target-session is specified, list only
	     clients connected to that session.

     list-commands
		   (alias: lscm)
	     List the syntax of all commands supported by tmux.

     list-sessions
		   (alias: ls)
	     List all sessions managed by the server.

     lock-client [-t target-client]
		   (alias: lockc)
	     Lock target-client, see the lock-server command.

     lock-session [-t target-session]
		   (alias: locks)
	     Lock all clients attached to target-session.

     new-session [-d] [-n window-name] [-s session-name] [-t target-session] [-x width] [-y
	     height] [shell-command]
		   (alias: new)
	     Create a new session with name session-name.

	     The new session is attached to the current terminal unless -d is given.  window-name
	     and shell-command are the name of and shell command to execute in the initial win-
	     dow.  If -d is used, -x and -y specify the size of the initial window (80 by 24 if
	     not given).

	     If run from a terminal, any termios(4) special characters are saved and used for new
	     windows in the new session.

	     If -t is given, the new session is grouped with target-session.  This means they
	     share the same set of windows - all windows from target-session are linked to the
	     new session and any subsequent new windows or windows being closed are applied to
	     both sessions.  The current and previous window and any session options remain inde-
	     pendent and either session may be killed without affecting the other.  Giving -n or
	     shell-command are invalid if -t is used.

     refresh-client [-t target-client]
		   (alias: refresh)
	     Refresh the current client if bound to a key, or a single client if one is given
	     with -t.

     rename-session [-t target-session] new-name
		   (alias: rename)
	     Rename the session to new-name.

     show-messages [-t target-client]
		   (alias: showmsgs)
	     Any messages displayed on the status line are saved in a per-client message log, up
	     to a maximum of the limit set by the message-limit session option for the session
	     attached to that client.  This command displays the log for target-client.

     source-file path
		   (alias: source)
	     Execute commands from path.

     start-server
		   (alias: start)
	     Start the tmux server, if not already running, without creating any sessions.

     suspend-client [-t target-client]
		   (alias: suspendc)
	     Suspend a client by sending SIGTSTP (tty stop).

     switch-client [-lnp] [-c target-client] [-t target-session]
		   (alias: switchc)
	     Switch the current session for client target-client to target-session.  If -l, -n or
	     -p is used, the client is moved to the last, next or previous session respectively.

WINDOWS AND PANES
     A tmux window may be in one of several modes.  The default permits direct access to the ter-
     minal attached to the window.  The other is copy mode, which permits a section of a window
     or its history to be copied to a paste buffer for later insertion into another window.  This
     mode is entered with the copy-mode command, bound to '[' by default.  It is also entered
     when a command that produces output, such as list-keys, is executed from a key binding.

     The keys available depend on whether emacs or vi mode is selected (see the mode-keys
     option).  The following keys are supported as appropriate for the mode:

	   Function			vi		emacs
	   Back to indentation		^		M-m
	   Bottom of history		G		M-<
	   Clear selection		Escape		C-g
	   Copy selection		Enter		M-w
	   Cursor down			j		Down
	   Cursor left			h		Left
	   Cursor right 		l		Right
	   Cursor to bottom line	L
	   Cursor to middle line	M		M-r
	   Cursor to top line		H		M-R
	   Cursor up			k		Up
	   Delete entire line		d		C-u
	   Delete/Copy to end of line	D		C-k
	   End of line			$		C-e
	   Go to line			:		g
	   Half page down		C-d		M-Down
	   Half page up 		C-u		M-Up
	   Jump forward 		f		f
	   Jump backward		F		F
	   Jump again			;		;
	   Jump again in reverse	,		,
	   Next page			C-f		Page down
	   Next space			W
	   Next space, end of word	E
	   Next word			w
	   Next word end		e		M-f
	   Paste buffer 		p		C-y
	   Previous page		C-b		Page up
	   Previous word		b		M-b
	   Previous space		B
	   Quit mode			q		Escape
	   Rectangle toggle		v		R
	   Scroll down			C-Down or C-e	C-Down
	   Scroll up			C-Up or C-y	C-Up
	   Search again 		n		n
	   Search again in reverse	N		N
	   Search backward		?		C-r
	   Search forward		/		C-s
	   Start of line		0		C-a
	   Start selection		Space		C-Space
	   Top of history		g		M->
	   Transpose chars				C-t

     The next and previous word keys use space and the '-', '_' and '@' characters as word delim-
     iters by default, but this can be adjusted by setting the word-separators window option.
     Next word moves to the start of the next word, next word end to the end of the next word and
     previous word to the start of the previous word.  The three next and previous space keys
     work similarly but use a space alone as the word separator.

     The jump commands enable quick movement within a line.  For instance, typing 'f' followed by
     '/' will move the cursor to the next '/' character on the current line.  A ';' will then
     jump to the next occurrence.

     Commands in copy mode may be prefaced by an optional repeat count.  With vi key bindings, a
     prefix is entered using the number keys; with emacs, the Alt (meta) key and a number begins
     prefix entry.  For example, to move the cursor forward by ten words, use 'M-1 0 M-f' in
     emacs mode, and '10w' in vi.

     Mode key bindings are defined in a set of named tables: vi-edit and emacs-edit for keys used
     when line editing at the command prompt; vi-choice and emacs-choice for keys used when
     choosing from lists (such as produced by the choose-window command); and vi-copy and
     emacs-copy used in copy mode.  The tables may be viewed with the list-keys command and keys
     modified or removed with bind-key and unbind-key.

     The paste buffer key pastes the first line from the top paste buffer on the stack.

     The synopsis for the copy-mode command is:

     copy-mode [-u] [-t target-pane]
	     Enter copy mode.  The -u option scrolls one page up.

     Each window displayed by tmux may be split into one or more panes; each pane takes up a cer-
     tain area of the display and is a separate terminal.  A window may be split into panes using
     the split-window command.	Windows may be split horizontally (with the -h flag) or verti-
     cally.  Panes may be resized with the resize-pane command (bound to 'C-up', 'C-down'
     'C-left' and 'C-right' by default), the current pane may be changed with the select-pane
     command and the rotate-window and swap-pane commands may be used to swap panes without
     changing their position.  Panes are numbered beginning from zero in the order they are cre-
     ated.

     A number of preset layouts are available.	These may be selected with the select-layout com-
     mand or cycled with next-layout (bound to 'Space' by default); once a layout is chosen,
     panes within it may be moved and resized as normal.

     The following layouts are supported:

     even-horizontal
	     Panes are spread out evenly from left to right across the window.

     even-vertical
	     Panes are spread evenly from top to bottom.

     main-horizontal
	     A large (main) pane is shown at the top of the window and the remaining panes are
	     spread from left to right in the leftover space at the bottom.  Use the
	     main-pane-height window option to specify the height of the top pane.

     main-vertical
	     Similar to main-horizontal but the large pane is placed on the left and the others
	     spread from top to bottom along the right.  See the main-pane-width window option.

     tiled   Panes are spread out as evenly as possible over the window in both rows and columns.

     In addition, select-layout may be used to apply a previously used layout - the list-windows
     command displays the layout of each window in a form suitable for use with select-layout.
     For example:

	   $ tmux list-windows
	   0: ksh [159x48]
	       layout: bb62,159x48,0,0{79x48,0,0,79x48,80,0}
	   $ tmux select-layout bb62,159x48,0,0{79x48,0,0,79x48,80,0}

     tmux automatically adjusts the size of the layout for the current window size.  Note that a
     layout cannot be applied to a window with more panes than that from which the layout was
     originally defined.

     Commands related to windows and panes are as follows:

     break-pane [-d] [-t target-pane]
		   (alias: breakp)
	     Break target-pane off from its containing window to make it the only pane in a new
	     window.  If -d is given, the new window does not become the current window.

     capture-pane [-b buffer-index] [-E end-line] [-S start-line] [-t target-pane]
		   (alias: capturep)
	     Capture the contents of a pane to the specified buffer, or a new buffer if none is
	     specified.

	     -S and -E specify the starting and ending line numbers, zero is the first line of
	     the visible pane and negative numbers are lines in the history.  The default is to
	     capture only the visible contents of the pane.

     choose-client [-t target-window] [template]
	     Put a window into client choice mode, allowing a client to be selected interactively
	     from a list.  After a client is chosen, '%%' is replaced by the client pty(4) path
	     in template and the result executed as a command.	If template is not given,
	     "detach-client -t '%%'" is used.  This command works only from inside tmux.

     choose-session [-t target-window] [template]
	     Put a window into session choice mode, where a session may be selected interactively
	     from a list.  When one is chosen, '%%' is replaced by the session name in template
	     and the result executed as a command.  If template is not given, "switch-client -t
	     '%%'" is used.  This command works only from inside tmux.

     choose-window [-t target-window] [template]
	     Put a window into window choice mode, where a window may be chosen interactively
	     from a list.  After a window is selected, '%%' is replaced by the session name and
	     window index in template and the result executed as a command.  If template is not
	     given, "select-window -t '%%'" is used.  This command works only from inside tmux.

     display-panes [-t target-client]
		   (alias: displayp)
	     Display a visible indicator of each pane shown by target-client.  See the
	     display-panes-time, display-panes-colour, and display-panes-active-colour session
	     options.  While the indicator is on screen, a pane may be selected with the '0' to
	     '9' keys.

     find-window [-t target-window] match-string
		   (alias: findw)
	     Search for the fnmatch(3) pattern match-string in window names, titles, and visible
	     content (but not history).  If only one window is matched, it'll be automatically
	     selected, otherwise a choice list is shown.  This command only works from inside
	     tmux.

     join-pane [-dhv] [-l size | -p percentage] [-s src-pane] [-t dst-pane]
		   (alias: joinp)
	     Like split-window, but instead of splitting dst-pane and creating a new pane, split
	     it and move src-pane into the space.  This can be used to reverse break-pane.

     kill-pane [-a] [-t target-pane]
		   (alias: killp)
	     Destroy the given pane.  If no panes remain in the containing window, it is also
	     destroyed.  The -a option kills all but the pane given with -t.

     kill-window [-t target-window]
		   (alias: killw)
	     Kill the current window or the window at target-window, removing it from any ses-
	     sions to which it is linked.

     last-pane [-t target-window]
		   (alias: lastp)
	     Select the last (previously selected) pane.

     last-window [-t target-session]
		   (alias: last)
	     Select the last (previously selected) window.  If no target-session is specified,
	     select the last window of the current session.

     link-window [-dk] [-s src-window] [-t dst-window]
		   (alias: linkw)
	     Link the window at src-window to the specified dst-window.  If dst-window is speci-
	     fied and no such window exists, the src-window is linked there.  If -k is given and
	     dst-window exists, it is killed, otherwise an error is generated.	If -d is given,
	     the newly linked window is not selected.

     list-panes [-as] [-t target]
		   (alias: lsp)
	     If -a is given, target is ignored and all panes on the server are listed.	If -s is
	     given, target is a session (or the current session).  If neither is given, target is
	     a window (or the current window).

     list-windows [-a] [-t target-session]
		   (alias: lsw)
	     If -a is given, list all windows on the server.  Otherwise, list windows in the cur-
	     rent session or in target-session.

     move-window [-dk] [-s src-window] [-t dst-window]
		   (alias: movew)
	     This is similar to link-window, except the window at src-window is moved to
	     dst-window.

     new-window [-adkP] [-n window-name] [-t target-window] [shell-command]
		   (alias: neww)
	     Create a new window.  With -a, the new window is inserted at the next index up from
	     the specified target-window, moving windows up if necessary, otherwise target-window
	     is the new window location.

	     If -d is given, the session does not make the new window the current window.
	     target-window represents the window to be created; if the target already exists an
	     error is shown, unless the -k flag is used, in which case it is destroyed.
	     shell-command is the command to execute.  If shell-command is not specified, the
	     value of the default-command option is used.

	     When the shell command completes, the window closes.  See the remain-on-exit option
	     to change this behaviour.

	     The TERM environment variable must be set to ``screen'' for all programs running
	     inside tmux.  New windows will automatically have ``TERM=screen'' added to their
	     environment, but care must be taken not to reset this in shell start-up files.

	     The -P option prints the location of the new window after it has been created.

     next-layout [-t target-window]
		   (alias: nextl)
	     Move a window to the next layout and rearrange the panes to fit.

     next-window [-a] [-t target-session]
		   (alias: next)
	     Move to the next window in the session.  If -a is used, move to the next window with
	     a bell, activity or content alert.

     pipe-pane [-o] [-t target-pane] [shell-command]
		   (alias: pipep)
	     Pipe any output sent by the program in target-pane to a shell command.  A pane may
	     only be piped to one command at a time, any existing pipe is closed before
	     shell-command is executed.  The shell-command string may contain the special charac-
	     ter sequences supported by the status-left option.  If no shell-command is given,
	     the current pipe (if any) is closed.

	     The -o option only opens a new pipe if no previous pipe exists, allowing a pipe to
	     be toggled with a single key, for example:

		   bind-key C-p pipe-pane -o 'cat >>~/output.#I-#P'

     previous-layout [-t target-window]
		   (alias: prevl)
	     Move to the previous layout in the session.

     previous-window [-a] [-t target-session]
		   (alias: prev)
	     Move to the previous window in the session.  With -a, move to the previous window
	     with a bell, activity or content alert.

     rename-window [-t target-window] new-name
		   (alias: renamew)
	     Rename the current window, or the window at target-window if specified, to new-name.

     resize-pane [-DLRU] [-t target-pane] [adjustment]
		   (alias: resizep)
	     Resize a pane, upward with -U (the default), downward with -D, to the left with -L
	     and to the right with -R.	The adjustment is given in lines or cells (the default is
	     1).

     respawn-pane [-k] [-t target-pane] [shell-command]
		   (alias: respawnp)
	     Reactivate a pane in which the command has exited (see the remain-on-exit window
	     option).  If shell-command is not given, the command used when the pane was created
	     is executed.  The pane must be already inactive, unless -k is given, in which case
	     any existing command is killed.

     respawn-window [-k] [-t target-window] [shell-command]
		   (alias: respawnw)
	     Reactivate a window in which the command has exited (see the remain-on-exit window
	     option).  If shell-command is not given, the command used when the window was cre-
	     ated is executed.	The window must be already inactive, unless -k is given, in which
	     case any existing command is killed.

     rotate-window [-DU] [-t target-window]
		   (alias: rotatew)
	     Rotate the positions of the panes within a window, either upward (numerically lower)
	     with -U or downward (numerically higher).

     select-layout [-np] [-t target-window] [layout-name]
		   (alias: selectl)
	     Choose a specific layout for a window.  If layout-name is not given, the last preset
	     layout used (if any) is reapplied.  -n and -p are equivalent to the next-layout and
	     previous-layout commands.

     select-pane [-lDLRU] [-t target-pane]
		   (alias: selectp)
	     Make pane target-pane the active pane in window target-window.  If one of -D, -L,
	     -R, or -U is used, respectively the pane below, to the left, to the right, or above
	     the target pane is used.  -l is the same as using the last-pane command.

     select-window [-lnp] [-t target-window]
		   (alias: selectw)
	     Select the window at target-window.  -l, -n and -p are equivalent to the
	     last-window, next-window and previous-window commands.

     split-window [-dhvP] [-l size | -p percentage] [-t target-pane] [shell-command]
		   (alias: splitw)
	     Create a new pane by splitting target-pane: -h does a horizontal split and -v a ver-
	     tical split; if neither is specified, -v is assumed.  The -l and -p options specify
	     the size of the new pane in lines (for vertical split) or in cells (for horizontal
	     split), or as a percentage, respectively.	All other options have the same meaning
	     as for the new-window command.

     swap-pane [-dDU] [-s src-pane] [-t dst-pane]
		   (alias: swapp)
	     Swap two panes.  If -U is used and no source pane is specified with -s, dst-pane is
	     swapped with the previous pane (before it numerically); -D swaps with the next pane
	     (after it numerically).  -d instructs tmux not to change the active pane.

     swap-window [-d] [-s src-window] [-t dst-window]
		   (alias: swapw)
	     This is similar to link-window, except the source and destination windows are
	     swapped.  It is an error if no window exists at src-window.

     unlink-window [-k] [-t target-window]
		   (alias: unlinkw)
	     Unlink target-window.  Unless -k is given, a window may be unlinked only if it is
	     linked to multiple sessions - windows may not be linked to no sessions; if -k is
	     specified and the window is linked to only one session, it is unlinked and
	     destroyed.

KEY BINDINGS
     tmux allows a command to be bound to most keys, with or without a prefix key.  When specify-
     ing keys, most represent themselves (for example 'A' to 'Z').  Ctrl keys may be prefixed
     with 'C-' or '^', and Alt (meta) with 'M-'.  In addition, the following special key names
     are accepted: Up, Down, Left, Right, BSpace, BTab, DC (Delete), End, Enter, Escape, F1 to
     F20, Home, IC (Insert), NPage (Page Up), PPage (Page Down), Space, and Tab.  Note that to
     bind the '"' or ''' keys, quotation marks are necessary, for example:

	   bind-key '"' split-window
	   bind-key "'" new-window

     Commands related to key bindings are as follows:

     bind-key [-cnr] [-t key-table] key command [arguments]
		   (alias: bind)
	     Bind key key to command.  By default (without -t) the primary key bindings are modi-
	     fied (those normally activated with the prefix key); in this case, if -n is speci-
	     fied, it is not necessary to use the prefix key, command is bound to key alone.  The
	     -r flag indicates this key may repeat, see the repeat-time option.

	     If -t is present, key is bound in key-table: the binding for command mode with -c or
	     for normal mode without.  To view the default bindings and possible commands, see
	     the list-keys command.

     list-keys [-t key-table]
		   (alias: lsk)
	     List all key bindings.  Without -t the primary key bindings - those executed when
	     preceded by the prefix key - are printed.	Keys bound without the prefix key (see
	     bind-key -n) are marked with '(no prefix)'.

	     With -t, the key bindings in key-table are listed; this may be one of: vi-edit,
	     emacs-edit, vi-choice, emacs-choice, vi-copy or emacs-copy.

     send-keys [-t target-pane] key ...
		   (alias: send)
	     Send a key or keys to a window.  Each argument key is the name of the key (such as
	     'C-a' or 'npage' ) to send; if the string is not recognised as a key, it is sent as
	     a series of characters.  All arguments are sent sequentially from first to last.

     send-prefix [-t target-pane]
	     Send the prefix key to a window as if it was pressed.  If multiple prefix keys are
	     configured, only the first is sent.

     unbind-key [-acn] [-t key-table] key
		   (alias: unbind)
	     Unbind the command bound to key.  Without -t the primary key bindings are modified;
	     in this case, if -n is specified, the command bound to key without a prefix (if any)
	     is removed.  If -a is present, all key bindings are removed.

	     If -t is present, key in key-table is unbound: the binding for command mode with -c
	     or for normal mode without.

OPTIONS
     The appearance and behaviour of tmux may be modified by changing the value of various
     options.  There are three types of option: server options, session options and window
     options.

     The tmux server has a set of global options which do not apply to any particular window or
     session.  These are altered with the set-option -s command, or displayed with the
     show-options -s command.

     In addition, each individual session may have a set of session options, and there is a sepa-
     rate set of global session options.  Sessions which do not have a particular option config-
     ured inherit the value from the global session options.  Session options are set or unset
     with the set-option command and may be listed with the show-options command.  The available
     server and session options are listed under the set-option command.

     Similarly, a set of window options is attached to each window, and there is a set of global
     window options from which any unset options are inherited.  Window options are altered with
     the set-window-option command and can be listed with the show-window-options command.  All
     window options are documented with the set-window-option command.

     Commands which set options are as follows:

     set-option [-agsuw] [-t target-session | target-window] option value
		   (alias: set)
	     Set a window option with -w (equivalent to the set-window-option command), a server
	     option with -s, otherwise a session option.

	     If -g is specified, the global session or window option is set.  With -a, and if the
	     option expects a string, value is appended to the existing setting.  The -u flag
	     unsets an option, so a session inherits the option from the global options.  It is
	     not possible to unset a global option.

	     Available window options are listed under set-window-option.

	     Available server options are:

	     buffer-limit number
		     Set the number of buffers; as new buffers are added to the top of the stack,
		     old ones are removed from the bottom if necessary to maintain this maximum
		     length.

	     set-clipboard [on | off]
		     Attempt to set the terminal clipboard content using the \e]52;...\007
		     xterm(1) escape sequences.  This option is on by default if there is an Ms
		     entry in the terminfo(5) description for the client terminal.  Note that
		     this feature needs to be enabled in xterm(1) by setting the resource:

			   disallowedWindowOps: 20,21,SetXprop

		     Or changing this property from the xterm(1) interactive menu when required.

	     escape-time time
		     Set the time in milliseconds for which tmux waits after an escape is input
		     to determine if it is part of a function or meta key sequences.  The default
		     is 500 milliseconds.

	     exit-unattached [on | off]
		     If enabled, the server will exit when there are no attached clients.

	     quiet [on | off]
		     Enable or disable the display of various informational messages (see also
		     the -q command line flag).

	     Available session options are:

	     base-index index
		     Set the base index from which an unused index should be searched when a new
		     window is created.  The default is zero.

	     bell-action [any | none | current]
		     Set action on window bell.  any means a bell in any window linked to a ses-
		     sion causes a bell in the current window of that session, none means all
		     bells are ignored and current means only bell in windows other than the cur-
		     rent window are ignored.

	     bell-on-alert [on | off]
		     If on, ring the terminal bell when an activity, content or silence alert
		     occurs.

	     default-command shell-command
		     Set the command used for new windows (if not specified when the window is
		     created) to shell-command, which may be any sh(1) command.  The default is
		     an empty string, which instructs tmux to create a login shell using the
		     value of the default-shell option.

	     default-path path
		     Set the default working directory for processes created from keys, or inter-
		     actively from the prompt.	The default is empty, which means to use the
		     working directory of the shell from which the server was started if it is
		     available or the user's home if not.

	     default-shell path
		     Specify the default shell.  This is used as the login shell for new windows
		     when the default-command option is set to empty, and must be the full path
		     of the executable.  When started tmux tries to set a default value from the
		     first suitable of the SHELL environment variable, the shell returned by
		     getpwuid(3), or /bin/sh.  This option should be configured when tmux is used
		     as a login shell.

	     default-terminal terminal
		     Set the default terminal for new windows created in this session - the
		     default value of the TERM environment variable.  For tmux to work correctly,
		     this must be set to 'screen' or a derivative of it.

	     destroy-unattached [on | off]
		     If enabled and the session is no longer attached to any clients, it is
		     destroyed.

	     detach-on-destroy [on | off]
		     If on (the default), the client is detached when the session it is attached
		     to is destroyed.  If off, the client is switched to the most recently active
		     of the remaining sessions.

	     display-panes-active-colour colour
		     Set the colour used by the display-panes command to show the indicator for
		     the active pane.

	     display-panes-colour colour
		     Set the colour used by the display-panes command to show the indicators for
		     inactive panes.

	     display-panes-time time
		     Set the time in milliseconds for which the indicators shown by the
		     display-panes command appear.

	     display-time time
		     Set the amount of time for which status line messages and other on-screen
		     indicators are displayed.	time is in milliseconds.

	     history-limit lines
		     Set the maximum number of lines held in window history.  This setting
		     applies only to new windows - existing window histories are not resized and
		     retain the limit at the point they were created.

	     lock-after-time number
		     Lock the session (like the lock-session command) after number seconds of
		     inactivity, or the entire server (all sessions) if the lock-server option is
		     set.  The default is not to lock (set to 0).

	     lock-command shell-command
		     Command to run when locking each client.  The default is to run lock(1) with
		     -np.

	     lock-server [on | off]
		     If this option is on (the default), instead of each session locking individ-
		     ually as each has been idle for lock-after-time, the entire server will lock
		     after all sessions would have locked.  This has no effect as a session
		     option; it must be set as a global option.

	     message-attr attributes
		     Set status line message attributes, where attributes is either none or a
		     comma-delimited list of one or more of: bright (or bold), dim, underscore,
		     blink, reverse, hidden, or italics.

	     message-bg colour
		     Set status line message background colour, where colour is one of: black,
		     red, green, yellow, blue, magenta, cyan, white, colour0 to colour255 from
		     the 256-colour set, default, or a hexadecimal RGB string such as '#ffffff',
		     which chooses the closest match from the default 256-colour set.

	     message-fg colour
		     Set status line message foreground colour.

	     message-limit number
		     Set the number of error or information messages to save in the message log
		     for each client.  The default is 20.

	     mouse-resize-pane [on | off]
		     If on, tmux captures the mouse and allows panes to be resized by dragging on
		     their borders.

	     mouse-select-pane [on | off]
		     If on, tmux captures the mouse and when a window is split into multiple
		     panes the mouse may be used to select the current pane.  The mouse click is
		     also passed through to the application as normal.

	     mouse-select-window [on | off]
		     If on, clicking the mouse on a window name in the status line will select
		     that window.

	     pane-active-border-bg colour

	     pane-active-border-fg colour
		     Set the pane border colour for the currently active pane.

	     pane-border-bg colour

	     pane-border-fg colour
		     Set the pane border colour for panes aside from the active pane.

	     prefix keys
		     Set the keys accepted as a prefix key.  keys is a comma-separated list of
		     key names, each of which individually behave as the prefix key.

	     repeat-time time
		     Allow multiple commands to be entered without pressing the prefix-key again
		     in the specified time milliseconds (the default is 500).  Whether a key
		     repeats may be set when it is bound using the -r flag to bind-key.  Repeat
		     is enabled for the default keys bound to the resize-pane command.

	     mouse-utf8 [on | off]
		     If enabled, request mouse input as UTF-8 on UTF-8 terminals.

	     set-remain-on-exit [on | off]
		     Set the remain-on-exit window option for any windows first created in this
		     session.  When this option is true, windows in which the running program has
		     exited do not close, instead remaining open but inactivate.  Use the
		     respawn-window command to reactivate such a window, or the kill-window com-
		     mand to destroy it.

	     set-titles [on | off]
		     Attempt to set the window title using the \e]2;...\007 xterm code if the
		     terminal appears to be an xterm.  This option is off by default.  Note that
		     elinks will only attempt to set the window title if the STY environment
		     variable is set.

	     set-titles-string string
		     String used to set the window title if set-titles is on.  Character
		     sequences are replaced as for the status-left option.

	     status [on | off]
		     Show or hide the status line.

	     status-attr attributes
		     Set status line attributes.

	     status-bg colour
		     Set status line background colour.

	     status-fg colour
		     Set status line foreground colour.

	     status-interval interval
		     Update the status bar every interval seconds.  By default, updates will
		     occur every 15 seconds.  A setting of zero disables redrawing at interval.

	     status-justify [left | centre | right]
		     Set the position of the window list component of the status line: left, cen-
		     tre or right justified.

	     status-keys [vi | emacs]
		     Use vi or emacs-style key bindings in the status line, for example at the
		     command prompt.  The default is emacs, unless the VISUAL or EDITOR environ-
		     ment variables are set and contain the string 'vi'.

	     status-left string
		     Display string to the left of the status bar.  string will be passed through
		     strftime(3) before being used.  By default, the session name is shown.
		     string may contain any of the following special character sequences:

			   Character pair    Replaced with
			   #(shell-command)  First line of the command's output
			   #[attributes]     Colour or attribute change
			   #H		     Hostname of local host
			   #h		     Hostname of local host without the domain name
			   #F		     Current window flag
			   #I		     Current window index
			   #P		     Current pane index
			   #S		     Session name
			   #T		     Current window title
			   #W		     Current window name
			   ##		     A literal '#'

		     The #(shell-command) form executes 'shell-command' and inserts the first
		     line of its output.  Note that shell commands are only executed once at the
		     interval specified by the status-interval option: if the status line is
		     redrawn in the meantime, the previous result is used.  Shell commands are
		     executed with the tmux global environment set (see the ENVIRONMENT section).

		     The window title (#T) is the title set by the program running within the
		     window using the OSC title setting sequence, for example:

			   $ printf '\033]2;My Title\033\\'

		     When a window is first created, its title is the hostname.

		     #[attributes] allows a comma-separated list of attributes to be specified,
		     these may be 'fg=colour' to set the foreground colour, 'bg=colour' to set
		     the background colour, the name of one of the attributes (listed under the
		     message-attr option) to turn an attribute on, or an attribute prefixed with
		     'no' to turn one off, for example nobright.  Examples are:

			   #(sysctl vm.loadavg)
			   #[fg=yellow,bold]#(apm -l)%%#[default] [#S]

		     Where appropriate, special character sequences may be prefixed with a number
		     to specify the maximum length, for example '#24T'.

		     By default, UTF-8 in string is not interpreted, to enable UTF-8, use the
		     status-utf8 option.

	     status-left-attr attributes
		     Set the attribute of the left part of the status line.

	     status-left-bg colour
		     Set the background colour of the left part of the status line.

	     status-left-fg colour
		     Set the foreground colour of the left part of the status line.

	     status-left-length length
		     Set the maximum length of the left component of the status bar.  The default
		     is 10.

	     status-right string
		     Display string to the right of the status bar.  By default, the current win-
		     dow title in double quotes, the date and the time are shown.  As with
		     status-left, string will be passed to strftime(3), character pairs are
		     replaced, and UTF-8 is dependent on the status-utf8 option.

	     status-right-attr attributes
		     Set the attribute of the right part of the status line.

	     status-right-bg colour
		     Set the background colour of the right part of the status line.

	     status-right-fg colour
		     Set the foreground colour of the right part of the status line.

	     status-right-length length
		     Set the maximum length of the right component of the status bar.  The
		     default is 40.

	     status-utf8 [on | off]
		     Instruct tmux to treat top-bit-set characters in the status-left and
		     status-right strings as UTF-8; notably, this is important for wide charac-
		     ters.  This option defaults to off.

	     terminal-overrides string
		     Contains a list of entries which override terminal descriptions read using
		     terminfo(5).  string is a comma-separated list of items each a colon-sepa-
		     rated string made up of a terminal type pattern (matched using fnmatch(3))
		     and a set of name=value entries.

		     For example, to set the 'clear' terminfo(5) entry to '\e[H\e[2J' for all
		     terminal types and the 'dch1' entry to '\e[P' for the 'rxvt' terminal type,
		     the option could be set to the string:

			   "*:clear=\e[H\e[2J,rxvt:dch1=\e[P"

		     The terminal entry value is passed through strunvis(3) before interpreta-
		     tion.  The default value forcibly corrects the 'colors' entry for terminals
		     which support 88 or 256 colours:

			   "*88col*:colors=88,*256col*:colors=256,xterm*:XT"

	     update-environment variables
		     Set a space-separated string containing a list of environment variables to
		     be copied into the session environment when a new session is created or an
		     existing session is attached.  Any variables that do not exist in the source
		     environment are set to be removed from the session environment (as if -r was
		     given to the set-environment command).  The default is "DISPLAY SSH_ASKPASS
		     SSH_AUTH_SOCK SSH_AGENT_PID SSH_CONNECTION WINDOWID XAUTHORITY".

	     visual-activity [on | off]
		     If on, display a status line message when activity occurs in a window for
		     which the monitor-activity window option is enabled.

	     visual-bell [on | off]
		     If this option is on, a message is shown on a bell instead of it being
		     passed through to the terminal (which normally makes a sound).  Also see the
		     bell-action option.

	     visual-content [on | off]
		     Like visual-activity, display a message when content is present in a window
		     for which the monitor-content window option is enabled.

	     visual-silence [on | off]
		     If monitor-silence is enabled, prints a message after the interval has
		     expired on a given window.

     set-window-option [-agu] [-t target-window] option value
		   (alias: setw)
	     Set a window option.  The -a, -g and -u flags work similarly to the set-option com-
	     mand.

	     Supported window options are:

	     aggressive-resize [on | off]
		     Aggressively resize the chosen window.  This means that tmux will resize the
		     window to the size of the smallest session for which it is the current win-
		     dow, rather than the smallest session to which it is attached.  The window
		     may resize when the current window is changed on another sessions; this
		     option is good for full-screen programs which support SIGWINCH and poor for
		     interactive programs such as shells.

	     alternate-screen [on | off]
		     This option configures whether programs running inside tmux may use the ter-
		     minal alternate screen feature, which allows the smcup and rmcup terminfo(5)
		     capabilities.  The alternate screen feature preserves the contents of the
		     window when an interactive application starts and restores it on exit, so
		     that any output visible before the application starts reappears unchanged
		     after it exits.  The default is on.

	     automatic-rename [on | off]
		     Control automatic window renaming.  When this setting is enabled, tmux will
		     attempt - on supported platforms - to rename the window to reflect the com-
		     mand currently running in it.  This flag is automatically disabled for an
		     individual window when a name is specified at creation with new-window or
		     new-session, or later with rename-window.	It may be switched off globally
		     with:

			   set-window-option -g automatic-rename off

	     clock-mode-colour colour
		     Set clock colour.

	     clock-mode-style [12 | 24]
		     Set clock hour format.

	     force-height height
	     force-width width
		     Prevent tmux from resizing a window to greater than width or height.  A
		     value of zero restores the default unlimited setting.

	     main-pane-height height
	     main-pane-width width
		     Set the width or height of the main (left or top) pane in the
		     main-horizontal or main-vertical layouts.

	     mode-attr attributes
		     Set window modes attributes.

	     mode-bg colour
		     Set window modes background colour.

	     mode-fg colour
		     Set window modes foreground colour.

	     mode-keys [vi | emacs]
		     Use vi or emacs-style key bindings in copy and choice modes.  As with the
		     status-keys option, the default is emacs, unless VISUAL or EDITOR contains
		     'vi'.

	     mode-mouse [on | off]
		     Mouse state in modes.  If on, the mouse may be used to enter copy mode and
		     copy a selection by dragging, to enter copy mode and scroll with the mouse
		     wheel, or to select an option in choice mode.

	     monitor-activity [on | off]
		     Monitor for activity in the window.  Windows with activity are highlighted
		     in the status line.

	     monitor-content match-string
		     Monitor content in the window.  When fnmatch(3) pattern match-string appears
		     in the window, it is highlighted in the status line.

	     monitor-silence [interval]
		     Monitor for silence (no activity) in the window within interval seconds.
		     Windows that have been silent for the interval are highlighted in the status
		     line.  An interval of zero disables the monitoring.

	     other-pane-height height
		     Set the height of the other panes (not the main pane) in the main-horizontal
		     layout.  If this option is set to 0 (the default), it will have no effect.
		     If both the main-pane-height and other-pane-height options are set, the main
		     pane will grow taller to make the other panes the specified height, but will
		     never shrink to do so.

	     other-pane-width width
		     Like other-pane-height, but set the width of other panes in the
		     main-vertical layout.

	     remain-on-exit [on | off]
		     A window with this flag set is not destroyed when the program running in it
		     exits.  The window may be reactivated with the respawn-window command.

	     synchronize-panes [on | off]
		     Duplicate input to any pane to all other panes in the same window (only for
		     panes that are not in any special mode).

	     utf8 [on | off]
		     Instructs tmux to expect UTF-8 sequences to appear in this window.

	     window-status-attr attributes
		     Set status line attributes for a single window.

	     window-status-bg colour
		     Set status line background colour for a single window.

	     window-status-fg colour
		     Set status line foreground colour for a single window.

	     window-status-format string
		     Set the format in which the window is displayed in the status line window
		     list.  See the status-left option for details of special character sequences
		     available.  The default is '#I:#W#F'.

	     window-status-alert-attr attributes
		     Set status line attributes for windows which have an alert (bell, activity
		     or content).

	     window-status-alert-bg colour
		     Set status line background colour for windows with an alert.

	     window-status-alert-fg colour
		     Set status line foreground colour for windows with an alert.

	     window-status-current-attr attributes
		     Set status line attributes for the currently active window.

	     window-status-current-bg colour
		     Set status line background colour for the currently active window.

	     window-status-current-fg colour
		     Set status line foreground colour for the currently active window.

	     window-status-current-format string
		     Like window-status-format, but is the format used when the window is the
		     current window.

	     word-separators string
		     Sets the window's conception of what characters are considered word separa-
		     tors, for the purposes of the next and previous word commands in copy mode.
		     The default is ' -_@'.

	     xterm-keys [on | off]
		     If this option is set, tmux will generate xterm(1) -style function key
		     sequences; these have a number included to indicate modifiers such as Shift,
		     Alt or Ctrl.  The default is off.

     show-options [-gsw] [-t target-session | target-window]
		   (alias: show)
	     Show the window options with -w (equivalent to show-window-options), the server
	     options with -s, otherwise the session options for target session.  Global session
	     or window options are listed if -g is used.

     show-window-options [-g] [-t target-window]
		   (alias: showw)
	     List the window options for target-window, or the global window options if -g is
	     used.

ENVIRONMENT
     When the server is started, tmux copies the environment into the global environment; in
     addition, each session has a session environment.	When a window is created, the session and
     global environments are merged.  If a variable exists in both, the value from the session
     environment is used.  The result is the initial environment passed to the new process.

     The update-environment session option may be used to update the session environment from the
     client when a new session is created or an old reattached.  tmux also initialises the TMUX
     variable with some internal information to allow commands to be executed from inside, and
     the TERM variable with the correct terminal setting of 'screen'.

     Commands to alter and view the environment are:

     set-environment [-gru] [-t target-session] name [value]
		   (alias: setenv)
	     Set or unset an environment variable.  If -g is used, the change is made in the
	     global environment; otherwise, it is applied to the session environment for
	     target-session.  The -u flag unsets a variable.  -r indicates the variable is to be
	     removed from the environment before starting a new process.

     show-environment [-g] [-t target-session]
		   (alias: showenv)
	     Display the environment for target-session or the global environment with -g.  Vari-
	     ables removed from the environment are prefixed with '-'.

STATUS LINE
     tmux includes an optional status line which is displayed in the bottom line of each termi-
     nal.  By default, the status line is enabled (it may be disabled with the status session
     option) and contains, from left-to-right: the name of the current session in square brack-
     ets; the window list; the current window title in double quotes; and the time and date.

     The status line is made of three parts: configurable left and right sections (which may con-
     tain dynamic content such as the time or output from a shell command, see the status-left,
     status-left-length, status-right, and status-right-length options below), and a central win-
     dow list.	By default, the window list shows the index, name and (if any) flag of the win-
     dows present in the current session in ascending numerical order.	It may be customised with
     the window-status-format and window-status-current-format options.  The flag is one of the
     following symbols appended to the window name:

	   Symbol    Meaning
	   *	     Denotes the current window.
	   -	     Marks the last window (previously selected).
	   #	     Window is monitored and activity has been detected.
	   !	     A bell has occurred in the window.
	   +	     Window is monitored for content and it has appeared.
	   ~	     The window has been silent for the monitor-silence interval.

     The # symbol relates to the monitor-activity and + to the monitor-content window options.
     The window name is printed in inverted colours if an alert (bell, activity or content) is
     present.

     The colour and attributes of the status line may be configured, the entire status line using
     the status-attr, status-fg and status-bg session options and individual windows using the
     window-status-attr, window-status-fg and window-status-bg window options.

     The status line is automatically refreshed at interval if it has changed, the interval may
     be controlled with the status-interval session option.

     Commands related to the status line are as follows:

     command-prompt [-I inputs] [-p prompts] [-t target-client] [template]
	     Open the command prompt in a client.  This may be used from inside tmux to execute
	     commands interactively.

	     If template is specified, it is used as the command.  If present, -I is a comma-sep-
	     arated list of the initial text for each prompt.  If -p is given, prompts is a
	     comma-separated list of prompts which are displayed in order; otherwise a single
	     prompt is displayed, constructed from template if it is present, or ':' if not.

	     Both inputs and prompts may contain the special character sequences supported by the
	     status-left option.

	     Before the command is executed, the first occurrence of the string '%%' and all
	     occurrences of '%1' are replaced by the response to the first prompt, the second
	     '%%' and all '%2' are replaced with the response to the second prompt, and so on for
	     further prompts.  Up to nine prompt responses may be replaced ('%1' to '%9').

     confirm-before [-p prompt] [-t target-client] command
		   (alias: confirm)
	     Ask for confirmation before executing command.  If -p is given, prompt is the prompt
	     to display; otherwise a prompt is constructed from command.  It may contain the spe-
	     cial character sequences supported by the status-left option.

	     This command works only from inside tmux.

     display-message [-p] [-c target-client] [-t target-pane] [message]
		   (alias: display)
	     Display a message.  If -p is given, the output is printed to stdout, otherwise it is
	     displayed in the target-client status line.  The format of message is as for
	     status-left, with the exception that #() are not handled; information is taken from
	     target-pane if -t is given, otherwise the active pane for the session attached to
	     target-client.

BUFFERS
     tmux maintains a stack of paste buffers.  Up to the value of the buffer-limit option are
     kept; when a new buffer is added, the buffer at the bottom of the stack is removed.  Buffers
     may be added using copy-mode or the set-buffer command, and pasted into a window using the
     paste-buffer command.

     A configurable history buffer is also maintained for each window.	By default, up to 2000
     lines are kept; this can be altered with the history-limit option (see the set-option com-
     mand above).

     The buffer commands are as follows:

     choose-buffer [-t target-window] [template]
	     Put a window into buffer choice mode, where a buffer may be chosen interactively
	     from a list.  After a buffer is selected, '%%' is replaced by the buffer index in
	     template and the result executed as a command.  If template is not given, "paste-
	     buffer -b '%%'" is used.  This command works only from inside tmux.

     clear-history [-t target-pane]
		   (alias: clearhist)
	     Remove and free the history for the specified pane.

     delete-buffer [-b buffer-index]
		   (alias: deleteb)
	     Delete the buffer at buffer-index, or the top buffer if not specified.

     list-buffers
		   (alias: lsb)
	     List the global buffers.

     load-buffer [-b buffer-index] path
		   (alias: loadb)
	     Load the contents of the specified paste buffer from path.

     paste-buffer [-dr] [-b buffer-index] [-s separator] [-t target-pane]
		   (alias: pasteb)
	     Insert the contents of a paste buffer into the specified pane.  If not specified,
	     paste into the current one.  With -d, also delete the paste buffer from the stack.
	     When output, any linefeed (LF) characters in the paste buffer are replaced with a
	     separator, by default carriage return (CR).  A custom separator may be specified
	     using the -s flag.  The -r flag means to do no replacement (equivalent to a separa-
	     tor of LF).

     save-buffer [-a] [-b buffer-index] path
		   (alias: saveb)
	     Save the contents of the specified paste buffer to path.  The -a option appends to
	     rather than overwriting the file.

     set-buffer [-b buffer-index] data
		   (alias: setb)
	     Set the contents of the specified buffer to data.

     show-buffer [-b buffer-index]
		   (alias: showb)
	     Display the contents of the specified buffer.

MISCELLANEOUS
     Miscellaneous commands are as follows:

     clock-mode [-t target-pane]
	     Display a large clock.

     if-shell shell-command command
		   (alias: if)
	     Execute command if shell-command returns success.

     lock-server
		   (alias: lock)
	     Lock each client individually by running the command specified by the lock-command
	     option.

     run-shell shell-command
		   (alias: run)
	     Execute shell-command in the background without creating a window.  After it fin-
	     ishes, any output to stdout is displayed in copy mode.  If the command doesn't
	     return success, the exit status is also displayed.

     server-info
		   (alias: info)
	     Show server information and terminal details.

TERMINFO EXTENSIONS
     tmux understands some extensions to terminfo(5):

     Cc, Cr  Set the cursor colour.  The first takes a single string argument and is used to set
	     the colour; the second takes no arguments and restores the default cursor colour.
	     If set, a sequence such as this may be used to change the cursor colour from inside
	     tmux:

		   $ printf '\033]12;red\033\\'

     Cs, Csr
	     Change the cursor style.  If set, a sequence such as this may be used to change the
	     cursor to an underline:

		   $ printf '\033[4 q'

	     If Csr is set, it will be used to reset the cursor style instead of Cs.

     Ms      This sequence can be used by tmux to store the current buffer in the host terminal's
	     selection (clipboard).  See the set-clipboard option above and the xterm(1) man
	     page.

FILES
     ~/.tmux.conf	Default tmux configuration file.
     /etc/tmux.conf	System-wide configuration file.

EXAMPLES
     To create a new tmux session running vi(1):

	   $ tmux new-session vi

     Most commands have a shorter form, known as an alias.  For new-session, this is new:

	   $ tmux new vi

     Alternatively, the shortest unambiguous form of a command is accepted.  If there are several
     options, they are listed:

	   $ tmux n
	   ambiguous command: n, could be: new-session, new-window, next-window

     Within an active session, a new window may be created by typing 'C-b c' (Ctrl followed by
     the 'b' key followed by the 'c' key).

     Windows may be navigated with: 'C-b 0' (to select window 0), 'C-b 1' (to select window 1),
     and so on; 'C-b n' to select the next window; and 'C-b p' to select the previous window.

     A session may be detached using 'C-b d' (or by an external event such as ssh(1) disconnec-
     tion) and reattached with:

	   $ tmux attach-session

     Typing 'C-b ?' lists the current key bindings in the current window; up and down may be used
     to navigate the list or 'q' to exit from it.

     Commands to be run when the tmux server is started may be placed in the ~/.tmux.conf config-
     uration file.  Common examples include:

     Changing the default prefix key:

	   set-option -g prefix C-a
	   unbind-key C-b
	   bind-key C-a send-prefix

     Turning the status line off, or changing its colour:

	   set-option -g status off
	   set-option -g status-bg blue

     Setting other options, such as the default command, or locking after 30 minutes of inactiv-
     ity:

	   set-option -g default-command "exec /bin/ksh"
	   set-option -g lock-after-time 1800

     Creating new key bindings:

	   bind-key b set-option status
	   bind-key / command-prompt "split-window 'exec man %%'"
	   bind-key S command-prompt "new-window -n %1 'ssh %1'"

SEE ALSO
     pty(4)

AUTHORS
     Nicholas Marriott <nicm@users.sourceforge.net>

BSD					 August 21, 2018				      BSD


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