Doom3 command line arguments
From The DarkMod Wiki
				This is a list of usefull settings that can be specified on the Doom 3 command line to make shortcuts for starting Doom 3 in the desired state:
| Variable | Values & Description | 
|---|---|
| com_allowConsole | 1/0 - enable/disable the in-game console | 
| com_showFPS | 1/0 - enable/disable the FPS (frames per second() display | 
| fs_game | select the named mod, a good value is "darkmod" :) | 
| r_fullscreen | 1/0 - use fullscreen/window display | 
Examples
Linux:
/usr/local/bin/doom3 +seta r_fullscreen 0 +seta com_allowConsole 1 +set fs_game darkmod