.if n .sp 1
.if t .sp .5
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-.TH XScreenSaver 1 "12-Nov-99 (3.20)" "X Version 11"
+.TH XScreenSaver 1 "17-Mar-2003 (4.09)" "X Version 11"
.SH NAME
xscreensaver-command - control a running xscreensaver process
.SH SYNOPSIS
.B xscreensaver-command
+[\-display \fIhost:display.screen\fP] \
[\-help] \
[\-demo] \
[\-prefs] \
will notice, and deactivate.)
.TP 8
.B \-deactivate
-If the screensaver is active (the screen is blanked), this command will
-deactivate it just as if there had been keyboard or mouse activity.
-If locking is enabled, then the screensaver will prompt for a password
-as usual.
+This tells xscreensaver to pretend that there has just been user activity.
+This means that if the screensaver is active (the screen is blanked),
+then this command will cause the screen to un-blank as if there had been
+keyboard or mouse activity. If the screen is locked, then the password
+dialog will pop up first, as usual. If the screen is not blanked, then
+this simulated user activity will re-start the countdown (so, issuing
+the \fI\-deactivate\fP command periodically is \fIone\fP way to prevent
+the screen from blanking.)
.TP 8
.B \-cycle
If the screensaver is active (the screen is blanked), then stop the current
.B \-watch
Prints a line each time the screensaver changes state: when the screen
blanks, locks, unblanks, or when the running hack is changed. This option
-never returns; it is intended for by shell scripts that want to react to
+never returns; it is intended for use by shell scripts that want to react to
the screensaver in some way. An example of its output would be:
.EX
BLANK Fri Nov 5 01:57:22 1999
.EE
Note that LOCK might come either with or without a preceeding BLANK
(depending on whether the lock-timeout is non-zero), so the above program
-is keeps track of both of them.
+keeps track of both of them.
.SH DIAGNOSTICS
If an error occurs while communicating with the \fIxscreensaver\fP daemon, or
if the daemon reports an error, a diagnostic message will be printed to
.BR xscreensaver (1)
.BR xscreensaver\-demo (1)
.SH COPYRIGHT
-Copyright \(co 1992, 1993, 1997, 1998, 1999
+Copyright \(co 1992, 1993, 1997, 1998, 1999, 2000, 2001, 2002
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