systemd.snapshot(5) debian man page | unix.com

SYSTEMD.SNAPSHOT(5)						 systemd.snapshot					       SYSTEMD.SNAPSHOT(5)

NAME
       systemd.snapshot - systemd snapshot units

SYNOPSIS
       systemd.snapshot

DESCRIPTION
       Snapshot units are not configured via unit configuration files. Nonetheless they are named similar to filenames. A unit name whose name
       ends in .snapshot refers to a dynamic snapshot of the systemd runtime state.

       Snapshots are not configured on disk but created dynamically via systemctl snapshot (see systemctl(8) for details) or an equivalent
       command. When created, they will automatically get dependencies on the currently activated units. They act as saved runtime state of the
       systemd manager. Later on, the user may choose to return to the saved state via systemctl isolate. They are useful to roll back to a
       defined state after temporarily starting/stopping services or similar.

SEE ALSO
       systemd(1), systemctl(8), systemd.unit(5)

AUTHOR
       Lennart Poettering <lennart@poettering.net>
	   Developer

systemd 							    10/07/2013						       SYSTEMD.SNAPSHOT(5)