lxsession-logout -V (return code: 1)
Error: Cannot open display:
lxsession-logout --help (return code: 0)
Usage:
lxsession-logout [OPTION?]
Help Options:
-h, --help Show help options
--help-all Show all help options
--help-gtk Show GTK+ Options
Application Options:
-p, --prompt=message Custom message to show on the dialog
-b, --banner=image file Banner to show on the dialog
-s, --side=top|left|right|bottom Position of the banner
--display=DISPLAY X display to use