xwndow, ywndow

the horizontal and vertical size of the graphics window (mm) that will over-ride a window size specified in an "mx11.opt" or ".Xdefaults" file; the maximum allowable values (to use the entire screen) are 350 and 265 mm, respectively (defaults: if xwndow or ywndow is less than or equal to zero, the size of the window specified in the "mx11.opt" or ".Xdefaults" file is used) Note: the effect of these parameters will depend on the local graphics system and machine type