---
name: "unicrud"
section: "6"
platform: "linux"
package: "xscreensaver"
version: "6.15-1"
release: "Arch Linux 2026-11-01"
platforms: ["linux"]
url: "https://new.carta.tech/unicrud"
---

# unicrud(6)

Bounces a random Unicode character on the screen.

## NAME

unicrud - Bounces a random Unicode character on the screen.

## SYNOPSIS

**unicrud** \[--display *host:display.screen*\] \[--visual *visual*\] \[--window\] \[--root\] \[--window-id *number*\] \[--delay *number*\] \[--speed *number*\] \[--block *string*\] \[--no-titles\] \[--no-wander\] \[--no-roll\] \[--fps\]

## DESCRIPTION

Chooses a random Unicode character and displays it full screen, along with some information about it.

## 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.

- **--window-id *number***

  Draw on the specified window.

- **--delay *number***

  Per-frame delay, in microseconds.  Default: 20000 (0.02 seconds).

- **--speed *number***

  Animation speed.  2.0 means twice as fast, 0.5 means half as fast.

- **--titles \| --no-titles**

  Whether to describe the character being shown. Default true.

- **--wander \| --no-wander**

  Whether the object should wander around the screen.

- **--roll \| --no-roll**

  Whether the object should rotate.  Boolean.

- **--block *string***

  Which block or blocks of Unicode characters to display.  Default: "all". Use *--block help* to see the full list.

- **--fps \| --no-fps**

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

## 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

https://en.wikipedia.org/wiki/Unicode,\
 **X**(1), [**xscreensaver**(1)](/xscreensaver/1.md)

## COPYRIGHT

Copyright © 2016 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.