Fedora 9 ships with a newer version of GDM (2.22), for which the gdmsetup
is missing. I found many discussions on people also missing the setup utility.
However, I couldn't find an answer to my problem:
Before F9, I had GDM configured to produce 3 login screens on my PC, on
vt7, vt8 and vt9, simply by having this line in /etc/gdm/custom.conf :