glxgears -V (return code: 255)
Usage:
-display <displayname> set the display to run on
-stereo run in stereo mode
-samples N run in multisample mode with at least N samples
-fullscreen run in fullscreen mode
-info display OpenGL renderer info
-geometry WxH+X+Y window geometry
glxgears --help (return code: 255)
Usage:
-display <displayname> set the display to run on
-stereo run in stereo mode
-samples N run in multisample mode with at least N samples
-fullscreen run in fullscreen mode
-info display OpenGL renderer info
-geometry WxH+X+Y window geometry