[\-trace]
[\-phone \fInumber\fP]
.SH DESCRIPTION
-The \fIxmatrix\fP program draws dropping characters similar to the
-displays in the Wachowski brothers' film, "The Matrix".
+The \fIxmatrix\fP program draws dropping characters similar to what
+is seen on the computer monitors in the Wachowski brothers' film,
+"The Matrix".
+
+Also see
+.BR glmatrix (1)
+for a 3D rendering of the similar effect that appeared in the title
+sequence of the movie.
.SH OPTIONS
.I xmatrix
accepts the following options:
.B \-density \fIpercentage\fP
The approximate percentage of the screen that should be filled with
characters at any given time. Default 75%.
+
+When running in a window, typing \fB+\fP will increase the density and
+typing \fB-\fP will decrease it. Typing \fB0\fP will momentarily
+drain the screen.
.TP 8
.B \-top\fP | \fB\-bottom\fP | \fB\-both
If \fB\-top\fP is specified, the characters will only drop in from the
as columns that grow downwards and are erased from above. If \fB\-both\fP
is specified, then a mixture of both styles will be used. The default
is \fB\-both\fP.
+
+When running in a window, typing \fB[\fP will switch to top-mode,
+typing \fB\]\fP will switch to bottom-mode, and typing \fB\\\fP will
+switch to both-mode.
.TP 8
.B \-small\fP | \fB\-large
These options specify the sizes of the characters. The default
is \fB\-large\fP.
-
.TP 8
.B \-trace
Start off with a representation of a phone number being traced.
.B \-phone\fP \fInumber\fP
The phone number to trace, if \fB\-trace\fP is specified.
.TP 8
+.B \-crack
+Start off by shutting down the power grid.
+.TP 8
.B \-binary\fP
Instead of displaying Matrix glyphs, only display ones and zeros.
.TP 8
to get the name of a resource file that overrides the global resources
stored in the RESOURCE_MANAGER property.
.SH SEE ALSO
+.BR glmatrix (1),
.BR X (1),
.BR xscreensaver (1)
.SH COPYRIGHT