deepstars(6)                  XScreenSaver manual                 deepstars(6)

NAME
       deepstars - screen saver.

SYNOPSIS
       deepstars [--display host:display.screen] [--visual visual] [--window]
       [--root] [--window-id number] [--delay number] [--speed number]
       [--smear number]

DESCRIPTION
       A long exposure of the night sky, showing star paths as vapor trails.

OPTIONS
       --visual visual
               Specify which visual to use.  Legal values are the name of a
               visual class, or the id number (decimal or hex) of a specific
               visual.

       --window
               Draw on a newly-created window.  This is the default.

       --root  Draw on the root window.

       --window-id number
               Draw on the specified window.

       --delay number
               Per-frame delay, in microseconds.  Default: 30000 (0.03
               seconds).

       --speed number
               Animation speed.  2.0 means twice as fast, 0.5 means half as
               fast.

       --smear number
               How long the vapor trails should be.  2.0 means twice as long,
               0.5 means half as long.

ENVIRONMENT
       DISPLAY to get the default host and display number.

       XENVIRONMENT
               to get the name of a resource file that overrides the global
               resources stored in the RESOURCE_MANAGER property.

       XSCREENSAVER_WINDOW
               The window ID to use with --root.

SEE ALSO
       X(1), xscreensaver(1)

COPYRIGHT
       Copyright (C) 2019 by Jamie Zawinski.  Permission to use, copy, modify,
       distribute, and sell this software and its documentation for any
       purpose is hereby granted without fee, provided that the above
       copyright notice appear in all copies and that both that copyright
       notice and this permission notice appear in supporting documentation.
       No representations are made about the suitability of this software for
       any purpose.  It is provided "as is" without express or implied
       warranty.

AUTHOR
       Jamie Zawinski.

X Version 11                  6.08 (10-Oct-2023)                  deepstars(6)