covid19 - Man Page

the most 2020 of all screen savers.


covid19 [--display host:display.screen] [--visual visual] [--window] [--root] [--window-id number] [--delay number] [--speed number] [--count number] [--no-wander] [--no-spin] [--wireframe] [--fps]


SARS-CoV-2. Stay the fuck home. Wear a fucking mask.


--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.

--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.

--count number

Maximum number of virus particles.  1 - 200. Default: 60.

--wander | --no-wander

Whether the viruses should wander around the screen.

--spin | --no-spin

Whether the viruses should spin.

--wireframe | --no-wireframe

Render in wireframe instead of solid.

--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.


The window ID to use with --root.

See Also

X(1), xscreensaver(1)


Jamie Zawinski.


6.08-1.fc40 (17-Oct-2023) X Version 11 XScreenSaver manual