Monday, February 21, 2011

adjust screen brightness on linux

In Ubuntu, when you want to adjust brightness you can do with file. the file is store in /proc/acpi/video/GFX0/LCDD/brightness
1- to see the level of brightness on your computer you can use cat command.
 now the brightness of my computer is 100%
  2. if i want to reduce the brightness of my computer to 53, I will type like this
that finished, my screen is lower brightness.

NOTE: I use laptop, so the brightness will be in LCDD, if you use crt monitor it will be in CRTD, if you use HDMI monitor, the file will be in HDMI

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