Display Monitors in Grass

[Sue Tewalt x6437]

> 
>  Hi there , 
> 
> I'm having problems getting d.mon to run . I can't open a window due to the   
> error that no monitors are running, my list is as follows 
> 
> Monitors:
> 
> x3
> Graph_Set: can't open 
> Please start graphics monitor <x3>.
> Error - Graphics monitor <x3> not running!
> Problem selecting x3. Will try once more
> Please start graphics monitor <x3>.
> Error - Graphics monitor <x3> not running!
> 
> hit RETURN -> 
> 
The Graph_Set: can't open message on our SUN system usually
means that your display variable in your environment isn't
set (i.e. setenv DISPLAY machine). Don't know if this applies
to Masscomp.