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Linux 2.6 - man page for loadkeys (linux section 1)

LOADKEYS(1)									      LOADKEYS(1)

NAME
       loadkeys - load keyboard translation tables

SYNOPSIS
       loadkeys  [  -b	--bkeymap  ]  [  -c  --clearcompose  ]	[ -C '<cons1 cons2 ...>' | --con-
       sole=cons1,cons2,...  ] [ -d --default ] [ -h --help ] [ -m --mktable ] [ -q --quiet  ]	[
       -s --clearstrings ] [ -u --unicode ] [ -v --verbose ] [ filename...  ]

DESCRIPTION
       The  program  loadkeys reads the file or files specified by filename....  Its main purpose
       is to load the kernel keymap for the console.  The affected console device or devices  can
       be  specified  using  the -C (or --console ) option. This option supports a list of device
       names

RESET TO DEFAULT
       If the -d (or --default ) option is given, loadkeys loads a default keymap,  probably  the
       file defkeymap.map either in /usr/share/keymaps or in /usr/src/linux/drivers/char.  (Prob-
       ably the former was user-defined, while the latter is a qwerty  keyboard  map  for  PCs	-
       maybe  not  what was desired.)  Sometimes, with a strange keymap loaded (with the minus on
       some obscure unknown modifier combination) it is easier to type `loadkeys defkeymap'.

LOAD KERNEL KEYMAP
       The main function of loadkeys is to load  or  modify  the  keyboard  driver's  translation
       tables.	 When specifying the file names, standard input can be denoted by dash (-). If no
       file is specified, the data is read from the standard input.

       For many countries and keyboard types appropriate keymaps are  available  already,  and	a
       command	like  `loadkeys uk' might do what you want. On the other hand, it is easy to con-
       struct one's own keymap. The user has to tell what symbols belong to  each  key.  She  can
       find  the  keycode  for	a  key	by use of showkey(1), while the keymap format is given in
       keymaps(5) and can also be seen from the output of dumpkeys(1).

LOAD KERNEL ACCENT TABLE
       If the input file does not contain any compose key definitions, the kernel accent table is
       left unchanged, unless the -c (or --clearcompose ) option is given, in which case the ker-
       nel accent table is emptied.  If the input file does contain compose key definitions, then
       all  old  definitions  are removed, and replaced by the specified new entries.  The kernel
       accent table is a sequence of (by default 68)  entries  describing  how	dead  diacritical
       signs and compose keys behave.  For example, a line

	      compose ',' 'c' to ccedilla

       means that <ComposeKey><,><c> must be combined to <ccedilla>.  The current content of this
       table can be see using `dumpkeys --compose-only'.

LOAD KERNEL STRING TABLE
       The option -s (or --clearstrings ) clears the kernel string table. If this option  is  not
       given,  loadkeys  will only add or replace strings, not remove them.  (Thus, the option -s
       is required to reach a well-defined state.)  The kernel string  table  is  a  sequence  of
       strings	with  names  like  F31. One can make function key F5 (on an ordinary PC keyboard)
       produce the text `Hello!', and Shift+F5 `Goodbye!' using lines

	      keycode 63 = F70 F71
	      string F70 = "Hello!"
	      string F71 = "Goodbye!"

       in the keymap.  The default bindings for the function keys are  certain	escape	sequences
       mostly inspired by the VT100 terminal.

CREATE KERNEL SOURCE TABLE
       If  the	-m  (or --mktable ) option is given loadkeys prints to the standard output a file
       that may be used as /usr/src/linux/drivers/char/defkeymap.c, specifying	the  default  key
       bindings for a kernel (and does not modify the current keymap).

CREATE BINARY KEYMAP
       If  the	-b  (or --bkeymap ) option is given loadkeys prints to the standard output a file
       that may be used as a binary keymap as expected by Busybox loadkmap command (and does  not
       modify the current keymap).

UNICODE MODE
       loadkeys  automatically	detects  whether the console is in Unicode or ASCII (XLATE) mode.
       When a keymap is loaded, literal keysyms  (such	as  section)  are  resolved  accordingly;
       numerical  keysyms  are	converted  to fit the current console mode, regardless of the way
       they are specified (decimal, octal, hexadecimal or Unicode).

       The -u (or --unicode) switch forces loadkeys to convert all keymaps to  Unicode.   If  the
       keyboard  is  in a non-Unicode mode, such as XLATE, loadkeys will change it to Unicode for
       the time of its execution.  A warning message will be printed in this case.

       It is recommended to run kbd_mode(1) before loadkeys instead of using the -u option.

OTHER OPTIONS
       -h --help
	      loadkeys prints its version number and a short usage message to the programs  stan-
	      dard error output and exits.

       -q --quiet
	      loadkeys suppresses all normal output.

WARNING
       Note  that  anyone having read access to /dev/console can run loadkeys and thus change the
       keyboard layout, possibly making it unusable. Note that the keyboard translation table  is
       common  for  all  the virtual consoles, so any changes to the keyboard bindings affect all
       the virtual consoles simultaneously.

       Note that because the changes affect all the virtual consoles, they also outlive your ses-
       sion.  This  means that even at the login prompt the key bindings may not be what the user
       expects.

FILES
       /usr/share/keymaps
	      default directory for keymaps

       /usr/src/linux/drivers/char/defkeymap.map
	      default kernel keymap

SEE ALSO
       dumpkeys(1), keymaps(5)

					    6 Feb 1994				      LOADKEYS(1)


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