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g.gui(1grass) GRASS GIS User's Manual g.gui(1grass)


g.gui - Launches a GRASS graphical user interface (GUI) session.
Optionally updates default user interface settings.


general, GUI, user interface


g.gui --help
g.gui [-fdn] [ui=string] [workspace=name.gxw] [--help] [--verbose] [--quiet] [--ui]


Start GUI in the foreground
By default the GUI starts in the background and control is immediately returned to the caller. When GUI runs in foregreound, it blocks the command line

Update default user interface settings

Do not launch GUI after updating the default user interface settings

Print usage summary

Verbose module output

Quiet module output

Force launching GUI dialog


User interface
Options: wxpython, text, gtext
Default: wxpython
wxpython: wxPython based GUI (wxGUI)
text: command line interface only
gtext: command line interface with GUI startup screen

Name of workspace file to load on start-up
This is valid only for wxGUI (wxpython)


The g.gui module allows user to start the Graphical User Interface (GUI) from the command line prompt or to change the default User Interface (UI) settings.

GRASS GIS 7 comes with both a wxPython-based GUI aka wxGUI (ui=wxpython) and command line text-based UI (ui=text).


If the -d update flag is given or the GRASS_GUI environmental variable is unset, then the GRASS internal variable GUI is permanently changed and the selected ui will be used as the default UI from then on.

All GRASS internal variables (see g.gisenv) are stored in the user’s home directory in a hidden file called $HOME/.grass7/rc on Unix-based operating systems and %APPDATA%\GRASS7\rc on MS Windows. Note that these GRASS internal variables are not the shell environment variables and the rc file is not a classic UNIX run command file, it just contains persistent GRASS variables.


Set default user interface setting to command line, text-based UI:

g.gui -d ui=text

Set default user interface setting to the graphical user interface (GUI) and launch the GUI:

g.gui -d ui=wxpython

Set default user interface setting to the graphical user interface (GUI) but do not launch the GUI:

g.gui -dn ui=wxpython


wxGUI, g.gisenv, GRASS variables

wxGUI wiki page


Martin Landa, FBK-irst, Trento, Italy
Hamish Bowman, Otago University, Dunedin, New Zealand (fine tuning)


Available at: g.gui source code (history)

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© 2003-2020 GRASS Development Team, GRASS GIS 7.8.5 Reference Manual

GRASS 7.8.5