nikosapi@kubuntubox:~$ xrandr
Screen 1: minimum 320 x 200, current 1280 x 768, maximum 1280 x 1200
VGA-0 disconnected (normal left inverted right)
DVI-0 unknown connection 1280x768+0+0 (normal left inverted right) 0mm x 0mm
   1280x800       60.0
   1280x768       60.0*
   1024x768       60.0
   800x600        60.3
   640x480        59.9
S-video disconnected 800x600+0+0 (normal left inverted right) 0mm x 0mm
   800x600        60.3*