Provided by: gnome-shell_3.28.4-0ubuntu18.04.7_amd64 
NAME
gnome-shell - Graphical shell for the GNOME desktop
SYNOPSIS
gnome-shell [OPTION...]
DESCRIPTION
GNOME shell provides core user interface functions for the GNOME 3 desktop, like switching to windows and
launching applications. GNOME shell takes advantage of the capabilities of modern graphics hardware and
introduces innovative user interface concepts to provide a visually attractive and easy to use
experience.
gnome-shell is a required component of the GNOME desktop, i.e. it is listed in the RequiredComponents
field of /usr/share/gnome-session/sessions/gnome.session. It is started in the window manager phase of
the session.
OPTIONS
-r, --replace
Replace the running window manager
--sm-disable
Disable connection to the session manager
--sm-client-id=ID
Specify session management ID
--sm-save-file=FILE
Initialize session from FILE
--screen=SCREEN
X screen to use
-d, --display=DISPLAY
X Display to use
--sync
Make X calls synchronous
--version
Print version and exit
--help
Display help and exit
--mode=MODE
Use a specific mode, e.g. "gdm" for login screen
--list-modes
List possible modes and exit
--clutter-display=DISPLAY
Clutter the option display (otherwise ignored)
FILES
/usr/share/gnome-session/sessions/gnome.session, /usr/share/applications/org.gnome.Shell.desktop.
BUGS
The bug tracker can be reached by visiting the website
https://bugzilla.gnome.org/buglist.cgi?product=gnome-shell. Before sending a bug report, please verify
that you have the latest version of gnome-shell. Many bugs (major and minor) are fixed at each release,
and if yours is out of date, the problem may already have been solved.
ADDITIONAL INFORMATION
For further information, visit the website https://wiki.gnome.org/Projects/GnomeShell.