rot

   'rot'  ['u'|'d'|'r'|'l'|'c' <angle>]|
          ['x'|'-x'|'y'|'-y'|'z'|'-z']

This keyword is used to rotate the view-direction to the model. For example

rot u 10

will rotate the view-direction 10 degrees upwards. The meaning of the other letters is down d, right r, left l, clockwise c. The remaining letters will rotate the view into a pre-defined direction. For example the user will look in x direction after the command

rot x

and against the x direction with the command

rot -x

and so on.