pcmanfm -V (return code: 1)
Cannot open display:
pcmanfm --help (return code: 0)
Usage:
pcmanfm [OPTION?] [FILE1, FILE2,...]
Help Options:
-h, --help Show help options
--help-all Show all help options
--help-gtk Show GTK+ Options
Application Options:
-p, --profile=PROFILE Name of configuration profile
-d, --daemon-mode Run PCManFM as a daemon
--no-desktop No function. Just to be compatible with nautilus
--desktop Launch desktop manager
--desktop-off Turn off desktop manager if it's running
--desktop-pref Open desktop preference dialog
--one-screen Use --desktop option only for one screen
-w, --set-wallpaper=FILE Set desktop wallpaper from image FILE
--wallpaper-mode=MODE Set mode of desktop wallpaper. MODE=(color|stretch|fit|crop|center|tile|screen)
--show-pref=N Open Preferences dialog on the page N
-n, --new-win Open new window
-f, --find-files Open a Find Files window
--role=ROLE Window role for usage by window manager
--display=DISPLAY X display to use