CentOS 7.0 - man page for gnome-session (centos section 1)

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GNOME-SESSION(1)								 GNOME-SESSION(1)

NAME
       gnome-session - Start the GNOME desktop environment

SYNOPSIS
       gnome-session [-a|--autostart=DIR] [--session=SESSION] [--failsafe|-f] [--debug] [--whale]

DESCRIPTION
       The  gnome-session  program starts up the GNOME desktop environment. This command is typi-
       cally executed by your login manager (either gdm, xdm, or from your X startup scripts). It
       will  load either your saved session, or it will provide a default session for the user as
       defined by the system administrator (or the default GNOME installation on your system).

       The default session is defined in gnome.session, a .desktop-like file that is  looked  for
       in  $XDG_CONFIG_HOME/gnome-session/sessions,  $XDG_CONFIG_DIRS/gnome-session/sessions  and
       $XDG_DATA_DIRS/gnome-session/sessions.

       When saving a session, gnome-session saves  the	currently  running  applications  in  the
       $XDG_CONFIG_HOME/gnome-session/saved-session directory.

       gnome-session is an X11R6 session manager. It can manage GNOME applications as well as any
       X11R6 SM compliant application.

OPTIONS
       The following options are supported:

       --autostart=DIR
	      Start all applications defined in DIR, instead of starting the applications defined
	      in  gnome.session, or via the --session option. Multiple --autostart options can be
	      passed.

       --session=SESSION
	      Use the applications defined in SESSION.session. If  not	specified,  gnome.session
	      will be used.

       --failsafe
	      Run in fail-safe mode. User-specified applications will not be started.

       --debug
	      Enable debugging code.

       --whale
	      Show the fail whale in a dialog for debugging it.

SESSION DEFINITION
       Sessions  are  defined  in .session files, that are using a .desktop-like format, with the
       following keys in the GNOME Session group:

       Name   Name of the session. This can be localized.

       RequiredComponents
	      List of component identifiers (desktop files) that are required by the session. The
	      required components will always run in the session.

       Here is an example of a session definition:

	   [GNOME Session]
	   Name=GNOME
	   RequiredComponents=gnome-shell;gnome-settings-daemon;

       The  .session  files  are looked for in $XDG_CONFIG_HOME/gnome-session/sessions, $XDG_CON-
       FIG_DIRS/gnome-session/sessions and $XDG_DATA_DIRS/gnome-session/sessions.

ENVIRONMENT
       gnome-session sets several environment variables for the use of its child processes:

       SESSION_MANAGER

	      This variable is used by session-manager aware clients to contact gnome-session.

       DISPLAY

	      This variable is set to the X display being used by gnome-session. Note that if the
	      --display  option  is used this might be different from the setting of the environ-
	      ment variable when gnome-session is invoked.

FILES
       $XDG_CONFIG_HOME/config/autostart			$XDG_CONFIG_DIRS/config/autostart
       /usr/share/gnome/autostart

	      The applications defined in those directories will be started on login.  gnome-ses-
	      sion-properties(1) can be used to easily configure them.

       $XDG_CONFIG_HOME/gnome-session/sessions		  $XDG_CONFIG_DIRS/gnome-session/sessions
       $XDG_DATA_DIRS/gnome-session/sessions

	      These  directories  contain  the .session files that can be used with the --session
	      option.

       $XDG_CONFIG_HOME/gnome-session/saved-session

	      This directory contains the list of applications of the saved session.

BUGS
       If  you	 find	bugs   in   the   gnome-session   program,   please   report   these   on
       https://bugzilla.gnome.org.

SEE ALSO
       gnome-session-properties(1) gnome-session-quit(1)

					      GNOME				 GNOME-SESSION(1)
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