systemd-sleep.conf man page on Archlinux

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SYSTEMD-SLEEP.CONF(5)	      systemd-sleep.conf	 SYSTEMD-SLEEP.CONF(5)

NAME
       systemd-sleep.conf - Suspend and hibernation configuration file

SYNOPSIS
       /etc/systemd/sleep.conf

DESCRIPTION
       systemd supports three general power-saving modes:

       suspend
	   a low-power state where execution of the OS is paused, and complete
	   power loss might result in lost data, and which is fast to enter
	   and exit. This corresponds to suspend, standby, or freeze states as
	   understood by the kernel.

       hibernate
	   a low-power state where execution of the OS is paused, and complete
	   power loss does not result in lost data, and which might be slow to
	   enter and exit. This corresponds to the hibernation as understood
	   by the kernel.

       hybrid-sleep
	   a low-power state where execution of the OS is paused, which might
	   be slow to enter, and on complete power loss does not result in
	   lost data but might be slower to exit in that case. This mode is
	   called suspend-to-both by the kernel.

       Settings in this file determine what strings will be written to
       /sys/power/disk and /sys/power/state by systemd-sleep(8) when
       systemd(1) attempts to suspend or hibernate the machine.

OPTIONS
       The following options can be configured in the "[Sleep]" section of
       /etc/systemd/sleep.conf:

       SuspendMode=, HibernateMode=, HybridSleepMode=
	   The string to be written to /sys/power/disk by, respectively,
	   systemd-suspend.service(8), systemd-hibernate.service(8), or
	   systemd-hybrid-sleep.service(8). More than one value can be
	   specified by separating multiple values with whitespace. They will
	   be tried in turn, until one is written without error. If neither
	   succeeds, the operation will be aborted.

       SuspendState=, HibernateState=, HybridSleepState=
	   The string to be written to /sys/power/state by, respectively,
	   systemd-suspend.service(8), systemd-hibernate.service(8), or
	   systemd-hybrid-sleep.service(8). More than one value can be
	   specified by separating multiple values with whitespace. They will
	   be tried in turn, until one is written without error. If neither
	   succeeds, the operation will be aborted.

EXAMPLE: FREEZE
       Example: to exploit the “freeze” mode added in Linux 3.9, one can use
       systemctl suspend with

	   [Sleep]
	   SuspendState=freeze

SEE ALSO
       systemd-sleep(8), systemd-suspend.service(8), systemd-
       hibernate.service(8), systemd-hybrid-sleep.service(8), systemd(1),
       systemd.directives(7)

systemd 212						 SYSTEMD-SLEEP.CONF(5)
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