systemd-backlight@.service

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## 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/`.

## Kernel Command Line

`systemd-backlight` understands the following kernel command line parameter:

`systemd.restore_state=`

  Takes a boolean argument. Defaults to "`1`". If "`0`", does not restore the backlight settings on boot. However, settings will still be stored on shutdown.

## See Also

systemd(1)