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xmatrix(6)		      XScreenSaver manual		    xmatrix(6)

NAME
       xmatrix - simulates the computer displays from the movie

SYNOPSIS
       xmatrix	[-display  host:display.screen]	 [-window]  [-root] [-install]
       [-visual visual] [-delay usecs] [-density percentage] [-top | -bottom |
       -both] [-small | -large] [-trace] [-mode mode] [-phone number] [-fps]

DESCRIPTION
       The  xmatrix  program draws dropping characters similar to what is seen
       on the computer monitors in the Wachowski brothers' film, "The Matrix".

       Also see glmatrix(6) for a 3D rendering	of  the	 similar  effect  that
       appeared in the title sequence of the movie.

OPTIONS
       xmatrix accepts the following options:

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

       -root   Draw on the root window.

       -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.

       -delay usecs
	       The  delay  between  steps  of  the animation, in microseconds:
	       default 10000.

       -density percentage
	       The approximate percentage of the screen that should be	filled
	       with characters at any given time.  Default 75%.

	       When  running  in  a window, typing + will increase the density
	       and typing - will decrease it.  Typing 0 will momentarily drain
	       the screen.

       -top | -bottom | -both
	       If -top is specified, the characters will only drop in from the
	       top of the screen as sliding columns of characters.  If -bottom
	       is  specified,  then instead of sliding columns, the characters
	       will appear as columns that grow downwards and are erased  from
	       above.	If  -both  is specified, then a mixture of both styles
	       will be used.  The default is -both.

	       When running in a window, typing [  will	 switch	 to  top-mode,
	       typing  ]  will switch to bottom-mode, and typing \ will switch
	       to both-mode.

       -small | -large
	       These options specify the sizes of the characters.  The default
	       is -large.

       -mode trace
	       Start off with a representation of a phone number being traced.
	       When the number is finally found, display The Matrix as	usual.
	       This is the default.

       -phone number
	       The phone number to trace, if -trace is specified.

       -mode crack
	       Start off by shutting down the power grid.

       -mode binary
	       Instead	of  displaying	Matrix	glyphs,	 only display ones and
	       zeros.

       -mode hexadecimal
	       Instead of displaying Matrix glyphs, display  hexadecimal  dig‐
	       its.

       -mode dna
	       Instead of displaying Matrix glyphs, display genetic code (gua‐
	       nine, adenine, thymine, and cytosine.)

       -mode ascii
	       Instead of displaying Matrix glyphs, display random ASCII char‐
	       acters.

       -mode pipe
	       Instead	of displaying random characters, display the output of
	       a subprocess, as ASCII.

       -program sh-command
	       The command to run to  generate	the  text  to  display.	  This
	       option  may  be	any string acceptable to /bin/sh.  The program
	       will be run at the end of a pty or  pipe,  and  any  characters
	       that it prints to stdout will be placed in the feeders for xma‐
	       trix. If the program exits, it will  be	launched  again	 after
	       xmatrix has processed all the text it produced.

	       For example:
	       xmatrix -program 'echo Hello World'
	       xmatrix -ascii -program 'ps -eo comm | rev'
	       xmatrix -program 'od -txC -w6 /dev/random'
	       xmatrix -program 'cat /dev/random'

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.

SEE ALSO
       glmatrix(6), X(1), xscreensaver(1)

COPYRIGHT
       Copyright © 1999-2003 by Jamie Zawinski.	 Permission to use, copy, mod‐
       ify,  distribute,  and sell this software and its documentation for any
       purpose is hereby granted without fee, provided that  the  above	 copy‐
       right  notice  appear in all copies and that both that copyright notice
       and this permission notice appear in supporting documentation.  No rep‐
       resentations  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>, 25-Apr-99.

X Version 11		      5.07 (10-Aug-2008)		    xmatrix(6)

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