Definition KDM: KDE Display Manager
Explanation: The KDE Display Manager(KDM) is a graphical login interface for computers using Unix-like operating systems. It is the K Desktop Environment replacement for X Window Display Manager (XDM). KDM allows users to pick their session type on a per-login basis. It uses Qt, like KDE and can be configured from the KDE control center. It also allows theming and user photos.
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