Backlight

☶︎

This article or section needs to be expanded. Further information may be found in the related discussion page. Please consult the pedia article metapage for guidelines on contributing.

xbacklight

xbacklight uses X to change the light settings. This can be inconvenient in some situations, e.g. for use with the actkbd service, which doesn't know about the X session.

light

light does not use X to change the light settings. This can be used in situations where the X service isn't available.

Using /proc/

...