Provided by: xscreensaver-gl-extra_6.02+dfsg1-2ubuntu2_amd64 bug

NAME

       deepstars - screen saver.

SYNOPSIS

       deepstars  [-display  host:display.screen]  [-visual  visual]  [-window]  [-root]  [-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.

       -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.

SEE ALSO

       X(1), xscreensaver(1)

COPYRIGHT

       Copyright © 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.