CentOS 7.0 - man page for pm-is-supported (centos section 1)

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PM-IS-SUPPORTED(1)		       pm-utils User Manual		       PM-IS-SUPPORTED(1)

       pm-is-supported - Test whether suspend or hibernate is supported.

       pm-is-supported [{--suspend | --hibernate | --suspend-hybrid}]

       This manual page documents briefly the pm-is-supported command.

       The intended purpose of pm-is-supported is to find out which power management modes are
       supported by the system. hald(8) will call it to do just that. (Note that UPower does not
       use this.)

	   Test whether suspend is supported. Suspend is a state where most devices are shutdown,
	   except for RAM. This state still draws power.

	   Test whether hibernate is supported. During hibernate the state of the system is saved
	   to disk, the system is fully powered off.

	   Test whether hybrid-suspend is supported. Hybrid-suspend is the process where first
	   the state of the system is saved to disk -- just like with hibernate -- but instead of
	   poweroff, the system goes in suspend state, which means it can wakeup quicker than for
	   normal hibernation. The advantage over suspend is that you can resume even if you run
	   out of power. s2both is a hybrid-suspend implementation.

       The result of the test for a certain powermanagement state is defined by the following
       exit codes.

       Code   Diagnostic
       0      State available.
       1      State NOT available.

       hald(8), pm-suspend(8), s2both(8), UPower(7)

       Tim Dijkstra <tim@famdijkstra.org>
	   Manpage author.

       Copyright (C) 2007 Tim Dijkstra

       This manual page was originally written for the Debian(TM) system, and has been adopted by
       the pm-utils project.

       Permission is granted to copy, distribute and/or modify this document under the terms of
       the GNU General Public License, Version 2 or (at your option) any later version published
       by the Free Software Foundation.

pm-is-supported 			   Apr 18, 2007 		       PM-IS-SUPPORTED(1)
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