---
name: "pyro"
section: "6x"
platform: "linux"
package: "xscreensaver-data-extra"
version: "6.09+dfsg1-1"
release: "Debian 13 (Trixie)"
platforms: ["linux"]
url: "https://new.carta.tech/pyro/6x"
---

# pyro(6x)

simulate fireworks

## NAME

pyro - simulate fireworks

## SYNOPSIS

**pyro** \[--display *host:display.screen*\] \[--foreground *color*\] \[--background *color*\] \[--window\] \[--root\] \[--window-id *number*\]\[--mono\] \[--install\] \[--visual *visual*\] \[--count *integer*\] \[--frequency *integer*\] \[--scatter *integer*\] \[--fps\]

## DESCRIPTION

The *pyro* program simulates fireworks, in a way similar to a Macintosh program of the same name.

## OPTIONS

*pyro* accepts the following options:

- **--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.

- **--mono**

  If on a color display, pretend we're on a monochrome display.

- **--install**

  Install a private colormap for the window.

- **--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.

- **--count *integer***

  How many particles should be allowed on the screen at once.  Default 600.

- **--frequency *integer***

  How often new missiles should launch.  Default 30.

- **--scatter *integer***

  How many particles should appear when a missile explodes.  Default 100. The actual number used is between *N* and *N+(N/2)*.

- **--fps**

  Display the current frame rate and CPU load.

## 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)](/xscreensaver/1.md)

## COPYRIGHT

Copyright © 1992 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 \<jwz@jwz.org\>, 13-aug-92.