Change Linux Resolution

xrandr 
To change the resolution (monitor display) from the command line ( using a terminal window ) do this: ( when x is running -- don't exit Xwindows just use a terminal window. This is done from the command line. ) [ xrandr ] this command will bring up information like this: 
 SZ:    Pixels          Physical       Refresh  0   1024 x 768    ( 271mm x 201mm )   
This will show the resolutions possible on your monitor. The star indicates what is currently being used. To change resolution use a command like this:
[ xrandr -s 1024x760 ]

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