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Gnome Display Manager Gnome Display Manager is a re-implementation of the well known xdm program. gdm consists of three separate parts: A small daemon, a graphical login program (gdmgreeter) and a host chooser. wdm wdm combines the functions of a graphical display manager identifying and authenticating a user on a system with some of the functions of a session manager in selecting and starting a window manager. Optionally, wdm can shutdown (reboot or halt) the system. XDM-Choose XDM-Choose is a highly configurable replacement chooser for XDM, which allows the user to type in a hostname and query/connect to it.
