GDM - GNOME Display Manager
http://wiki.gnome.org/Projects/GDM/
The GNOME Display Manager is a system service that is responsible for
providing graphical log-ins and managing local and remote displays.
Installation
============
See the file 'INSTALL'.
How to report bugs
==================
Bugs should be reported to the GNOME bug tracking
system:
    http://bugzilla.gnome.org/enter_bug.cgi?product=gdm
You will need to create an account if you don't have one already.
Please read the following page on how to prepare a useful
bug report:
    https://bugzilla.gnome.org/page.cgi?id=bug-writing.html
How to submit patches
=====================
See the file 'HACKING'.