composite picture

hi

i have recently instaled Grass on my Linux Box, and i would like
to make a composite picture
I have the 3 files (spot.1 spot.2 spot.3) for the RGB channel
The probleme is when i run i.composite
i don t know how to place the files in the directory
wich directory shall i make , and where to put those 3 files

Thanks

Marc.

--
                             Grunberg Marc

                        DEA Photonique et Image
                   Universite Louis Pasteur Strasbourg
                           
                       grunberg@doc.u-strasbg.fr
                  http://saphir.list.jussieu.fr/~marco
                            IRC: nick Marco