do you know any shell commands? to actually view the file you are going to need to use a shell text viewer, either emacs or vi.
to actually change directory use:
to view the contents of the directory use
Make sure that you HAVE logged in as root. This leads me to believe that you haven't added the lines that the GeForce needs into the file to get it to work. You may want to check out www.linuxdocs.org
for the How-to on emacs.
To run emacs you simply type:
emacs (name of file, but this is not necessary!)
Using the shell isn't easy, and I hope I have put you in the right area. You will need to read the emacs how-to though.
Oh yeah, UPPER case and lower case ARE different in Linux. X11 is not the same as x11.