thunar-volman-settings -V (return code: 1)
thunar-volman-settings: Cannot open display: .
thunar-volman-settings --help (return code: 0)
Usage:
thunar-volman-settings [OPTION?]
Help Options:
-h, --help Show help options
--help-all Show all help options
--help-gtk Show GTK+ Options
Application Options:
--display=DISPLAY X display to use