GRASS 6.4.3 (geol):~ > d.rast ortho.shaded@mymapset
WARNING: No socket to connect to for monitor <x0>.
ERROR: No graphics device selected

GRASS 6.4.3 (geol):~ > d.mon start=x0
using default visual which is TrueColor
ncolors: 16777216
Graphics driver [x0] started
GRASS 6.4.3 (geol):~ > d.rast ortho.shaded@mymapset
100%

d.mon -p -l -L