razzledazzle - Man Page

screen saver.


razzledazzle [-display host:display.screen] [-visual visual] [-window] [-root] [-delay number] [-speed number] [-ncolors number] [-density number] [-thickness number] [-mode string] [-fps]


Generates an infinitely-scrolling sequence of dazzle camouflage patterns. Dazzle Ships were military vessels during World War I and early in World War II that were painted not to conceal but to confuse: with these Cubist overlapping stripes, it was very hard to estimate their size, range and heading. This was a big deal before the invention of Radar.


-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.


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


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.

-ncolors number

Colors.  Default: 2.

-density number

Thickness of the grid, and overall complexity.  1 - 10.  Default: 5.0.

-thickness number

Thickness of the lines. 0.05 - 1.0.  Default: 0.1.

-mode string

Random, Ships or Flat. Default Random.

-fps | -no-fps

Whether to show a frames-per-second display at the bottom of the screen.



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.

See Also

X(1), xscreensaver(1)


Jamie Zawinski.


6.04-1.fc37.1 (23-Jul-2022) X Version 11 XScreenSaver manual