troglobit/man
backlight(1) General Commands Manual backlight(1)

backlight —
control backlight brightness of laptops in Linux

backlight [
-hv
] [
up | down
]

backlight supports one display, the built-in laptop display. It uses the first one it finds when scanning /sys/class/backlight/*/brightness.
Brightness is controlled using an exponential scale to provide a smooth transition from max to min.

Show program help text
Show program version

up
Increase brightness
down
Decrease brightness

/sys/class/backlight/*/brightness.

https://github.com/troglobit/backlight/

Joachim Wiberg ⟨mailto:troglobit()gmail!com⟩.
May 14, 2023

Maintained in troglobit/backlight as backlight.1. Send corrections there, or read it on the mirror.