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kn100@ubuntu:~$ xrandr
xrandr: Failed to get size of gamma for output default
Screen 0: minimum 320 x 240, current 1152 x 864, maximum 1152 x 864
default connected 1152x864+0+0 0mm x 0mm
   1024x768       50.0     60.0
   800x600        51.0     52.0     53.0
   680x384        54.0     55.0
   640x480        56.0
   512x384        57.0
   400x300        58.0
   320x240        59.0
   1152x864       60.0*
  1280x1024_60_new (0x174)  138.5MHz
        h: width  1280 start 1368 end 1504 total 1728 skew    0 clock   80.2KHz
        v: height 1024 start 1025 end 1028 total 1069           clock   75.0Hz