xwud -V (return code: 1)
usage: xwud [-in <file>] [-noclick] [-geometry <geom>] [-display <display>]
[-new] [-std <maptype>] [-raw] [-vis <vis-type-or-id>]
[-help] [-rv] [-plane <number>] [-fg <color>] [-bg <color>]
[-scale]
xwud --help (return code: 1)
usage: xwud [-in <file>] [-noclick] [-geometry <geom>] [-display <display>]
[-new] [-std <maptype>] [-raw] [-vis <vis-type-or-id>]
[-help] [-rv] [-plane <number>] [-fg <color>] [-bg <color>]
[-scale]