15.64.40.1  Options  - 
     1.  INHIBIT|ENABLE  -  inhibits  or  enables  the  automatic  outline
         generation for the current plot or window.  (Default:ENABLE)  You
         may still draw the outline with the PLOT OUTLINE command.
     2.  ALL - enables outlines for top, bottom, right and left.
     3.  TOP - enables outline for the TOP of plot
     4.  BOTTOM - selects outline for the bottom of the plot.
     5.  RIGHT - selects outline for the right hand side
     6.  LEFT - selects outline for the left hand side.
     7.  ON - allows drawing outlines
     8.  OFF - prevents drawing outlines
     9.  INTENSITY  -  Sets  line  intensity  or  width (0-5).  0 gets the
         intensity from the SET INTENSITY or SET AXES command.
    10.  WHITE...  - Sets the line color.
    11.  SOLID...     -    Sets   the   line   texture.    (Default:SOLID)
         See:Command SET TEXTURE
    12.  PERMANENT  -  Makes  the  current settings permanent from plot to 
         plot.