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The following options control the startup of GNU Backgammon. Most options are available in all versions of GNU Backgammon, but notably, the -w and -t options don't work under MS windows where separate command line and GUI applications exist instead.
GNU Backgammon startup options
Usage:
gnubg [OPTION...] [file.sgf]
Help Options:
-?, --help Show help options
--help-all Show all help options
--help-gtk Show GTK+ Options
GTK+ Options
--class=CLASS Program class as used by the window manager
--name=NAME Program name as used by the window manager
--screen=SCREEN X screen to use
--sync Make X calls synchronous
--gtk-module=MODULES Load additional GTK+ modules
--g-fatal-warnings Make all warnings fatal
Application Options:
-b, --no-bearoff Do not use bearoff database
-c, --commands=FILE Evaluate commands in FILE and exit
-d, --datadir=DIR Read database and weight files from DIR
-l, --lang=LANG Set language to LANG
-n, --new-weights=N Create new neural net (of size N)
-p, --python=FILE Evaluate Python code in FILE and exit
-q, --quiet Disable sound effects
-r, --no-rc Do not read .gnubgrc and .gnubgautorc commands
-S, --no-splash Don't show gtk splash screen
-t, --tty Start on tty instead of using window system
-v, --version Show version information and exit
-w, --window-system-only Ignore tty input when using window system
--display=DISPLAY X display to use