coral(6) XScreenSaver manual coral(6)

coral - simulates coral growth, albeit somewhat slowly.

coral [-display host:display.screen] [-visual visual] [-window] [-root] [-delay2 number] [-delay number] [-density number] [-seeds number] [-fps]

Simulates coral growth, albeit somewhat slowly.

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.
Draw on a newly-created window. This is the default.
Draw on the root window.
Per-frame delay, in microseconds. Default: 1000 (0.001 seconds.).
Duration. 1 - 60. Default: 5.
Density. 1 - 90. Default: 25.
Seeds. 1 - 100. Default: 20.
Display the current frame rate and CPU load.

to get the default host and display number.
to get the name of a resource file that overrides the global resources stored in the RESOURCE_MANAGER property.

X(1), xscreensaver(1)

Copyright © 2002 by Frederick Roeber. 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.

Frederick Roeber.

6.02 (11-Oct-2021) X Version 11