centos man page for systemd-backlight

SYSTEMD-BACKLIGHT@.SERVICE(8)				    systemd-backlight@.service				     SYSTEMD-BACKLIGHT@.SERVICE(8)

NAME
       systemd-backlight@.service, systemd-backlight - Load and save the display backlight brightness at boot and shutdown

SYNOPSIS
       systemd-backlight@.service

       /usr/lib/systemd/systemd-backlight

DESCRIPTION
       systemd-backlight@.service is a service that restores the display backlight brightness at early-boot and saves it at shutdown. On disk, the
       backlight brightness is stored in /var/lib/systemd/backlight/. Note that by default, only firmware backlight devices are saved/restored.

SEE ALSO
       systemd(1)

systemd 208													     SYSTEMD-BACKLIGHT@.SERVICE(8)