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



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

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

DESCRIPTION
       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.

OPTIONS
       --suspend
           Is suspend supported? Suspend is a state where most devices are shutdown, except for RAM. This state still
           draws power.

       --hibernate
           Is hibernate supported? During hibernate the state of the system is saved to disk, the system is fully
           powered off.

       --suspend-hybrid
           Is hybrid-suspend 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.

RETURN VALUE
       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.


SEE ALSO
       hald(8), pm-suspend(8), s2both(8)

AUTHOR
       Tim Dijkstra <timATfamdijkstra.org>
           Manpage author.

COPYRIGHT
       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)