07-23-2010
Brightness adjustment
Hi all,
I am using Ubuntu 10.04 LTS in Samsung N148. I can't see any option to adjust brightness in System->Preference->monitor. Is there any shell command to adjust brightness ? I have used xgamma -gamma but it change the gamx not brightness.
Cheers
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LEARN ABOUT OSX
xbacklight
XBACKLIGHT(1) General Commands Manual XBACKLIGHT(1)
NAME
xbacklight - adjust backlight brightness using RandR extension
SYNOPSIS
xbacklight [-help] [-display display] [-get] [-set percent] [-inc percent] [-dec percent]
DESCRIPTION
Xbacklight is used to adjust the backlight brightness where supported. It finds all outputs on the X server supporting backlight brightness
control and changes them all in the same way.
-get Print out the current backlight brightness of each output with such a control. The brightness is represented as a percentage of the
maximum brightness supported.
-set percent
Sets each backlight brightness to the specified level.
-inc percent
Increases brightness by the specified amount.
-dec percent
Decreases brightness by the specified amount.
-help Print out a summary of the usage and exit.
-time milliseconds
Length of time to spend fading the backlight between old and new value. Default is 200.
-steps number
Number of steps to take while fading. Default is 20.
SEE ALSO
Xrandr(3)
AUTHORS
Keith Packard, Open Source Technology Center, Intel Corporation.
X Version 11 xbacklight 1.1.2 XBACKLIGHT(1)