Start GRASS by typing
mycomputer 02> grass5
GRASS start-up GUI
Click on "Use Selection" and you will get the GRASS prompt:
See the
grass5 command man page for other ways how to start GRASS
GRASS can be run in 3 modes (you can combine them any time)
GRASS:~>
At the GRASS prompt you can type GRASS or UNIX commands
GRASS> r.slope.aspect myelevation slope=myslope aspect=myaspect
GRASS> r.slope.aspect
OPTION: Raster elevation file name
key: elevation
required: YES
Enter the name of an existing raster file
Enter 'list' for a list of existing raster files
Hit RETURN to cancel request
>
