o GRASS text mode startup
"grass" starts up g.gui by default (if not first time user).
"grass --text" will start up in text mode.
"grass --gtext" will start up with graphical welcome screen but continue then in text mode.
"grass --gui" will start up in wxpython mode.
You can set an alias "grass" to e.g. "grass --text" to use text mode by default.
Or set the environmental variable GRASS_GUI=text.
See grass --help or the command's manual page for more details
about invocation.
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