DISPLAY
To get default host and display number.
Alter a monitor's gamma correction for xfree86
xgamma [-display
display]
[-screen
screen]
[-quiet]
[{-gamma
f.f | [[-rgamma
f.f]
[-ggamma
f.f]
[-bgamma
f.f]]}]
xgamma allows X users to query and alter the gamma correction of a monitor via the XFree86 X server video mode extension (XFree86-VidModeExtension).
-display display
This argument allows you to specify the server to connect to; see X(7x).
-screen screen
When multiple displays are configured as a single logical display, this option allows you to select the screen you wish to change.
-quiet
Silence the normal output of xgamma
-help
Print out the `Usage:' command syntax summary.
-gamma f.f
The gamma correction can either be defined as a single value, or separately for the red, green and blue components. This argument specifies the gamma correction as a single value. If no value for the gamma correction is given xgamma returns the current gamma correction of the display.
-rgamma f.f
This argument specifies the red component of the gamma correction.
-ggamma f.f
This argument specifies the green component of the gamma correction.
-bgamma f.f
This argument specifies the blue component of the gamma correction.
DISPLAY
To get default host and display number.
2 releases since Debian 3.0 (Woody); the text changed 1 time.