[inchoate 15:30] ~ >xrandr --screen 0 --prop
Screen 0: minimum 320 x 240, current 1920 x 1200, maximum 1920 x 1200
default connected 1920x1200+0+0 0mm x 0mm
   1920x1200      50.0*
   1600x1024      51.0
   1400x1050      52.0
   1280x1024      53.0
   1280x960       54.0
   1024x768       55.0
   800x600        56.0     57.0
   800x512        58.0
   640x512        59.0
   640x480        60.0     61.0
   512x384        62.0
   400x300        63.0
   320x240        64.0
[inchoate 15:30] ~ >xrandr --screen 1 --prop
Screen 1: minimum 320 x 200, current 800 x 600, maximum 800 x 600
default connected 800x600+0+0 0mm x 0mm
   800x600        50.0*
   720x576        51.0
   640x480        52.0
   400x300        53.0
   320x240        54.0
   320x200        55.0