---
syntax: markdown
tags: [tldr, linux]
source: https://github.com/tldr-pages/tldr.git
---
# backlight_control

> Control a linux machine's backlight using percentage values.
> More information: <https://github.com/Hendrikto/backlight_control>.

- Increase/decrease the backlight by a specific percent count:

`backlight_control {{+|-}}{{5}}`

- Set the backlight strength to a specific percent count:

`backlight_control {{90}}`

- Display help:

`backlight_control`