+A Display Manager is a program that provides a graphical login interface for a computer system. It starts the [X Server](/wiki/X_Server) or [Wayland](/wiki/Wayland) compositor, then presents a login screen where users can authenticate and choose their desktop environment. Upon successful login, it launches the selected graphical session.
+## See also
+- [Desktop Environment](/wiki/Desktop_Environment)
+- [Login Screen](/wiki/Login_Screen)
+- [Graphical User Interface](/wiki/Graphical_User_Interface)
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