xdg-screensaver --version (return code: 0)
xdg-screensaver 1.1.0 rc3
xdg-screensaver --help (return code: 0)
xdg-screensaver - command line tool for controlling the screensaver
Synopsis
xdg-screensaver suspend WindowID
xdg-screensaver resume WindowID
xdg-screensaver { activate | lock | reset | status }
xdg-screensaver { --help | --manual | --version }
Use 'man xdg-screensaver' or 'xdg-screensaver --manual' for additional info.