lxdm-config -V (return code: 1)
option parsing failed: Cannot open display:
lxdm-config --help (return code: 0)
Usage:
lxdm-config [OPTION?] - lxdm config
Help Options:
-h, --help Show help options
--help-all Show all help options
--help-gtk Show GTK+ Options
Application Options:
--user user name
--display=DISPLAY X display to use