Editing XDM (display manager) (section)

== Functions ==
XDM is used to boot an X.org based [[desktop environment]].<ref>{{Cite web |last=Impson |first=Jeremy |date=2002-01-01 |title=VNC, Transparently |url=https://www.linuxjournal.com/article/5499 |access-date=2024-05-13 |website=www.linuxjournal.com}}</ref> It can control a display directly or indirectly in order to start an X session and supports remote login.<ref name=":0">{{Cite book |last1=Anderson |first1=Robin |url=https://books.google.com/books?id=pO6rRW2736AC&dq=%22XDM%22+display+manager&pg=PA451 |title=Unix Unleashed |last2=Johnston |first2=Andy |date=2002 |publisher=Sams Publishing |isbn=978-0-672-32251-8 |language=en}}</ref> XDM is initialized on system startup.<ref name=":1">{{Cite web |last=Edward |first=Robert |date=2024-03-18 |title=What Are Display Managers and How Do They Work? |url=https://www.baeldung.com/linux/display-managers-explained |access-date=2024-05-13 |website=Baeldung}}</ref>

It can be edited through the use of a configuration file, modules, or scripts.<ref>{{Cite book |last1=Quercia |first1=Valerie |url=https://books.google.com/books?id=ey_58UlP7QYC&dq=%22XDM%22+display+manager&pg=PA562 |title=X Users Guide Motif R5: Motif Edition |last2=O'Reilly |first2=Tim |date=1993 |publisher="O'Reilly Media, Inc." |isbn=978-1-56592-015-6 |language=en}}</ref><ref>{{Cite book |last=Barkakati |first=Naba |url=https://books.google.com/books?id=xBANKuFJWtUC&dq=%22XDM%22+display+manager&pg=PA251 |title=Red Hat Fedora Linux Secrets |date=2005-09-19 |publisher=John Wiley & Sons |isbn=978-0-471-77492-1 |language=en}}</ref> The configuration file is usually found in /usr/lib/X11/xdm/xdm-config.<ref>{{Cite book |last=Levi |first=Bozidar |url=https://books.google.com/books?id=KRDNBQAAQBAJ&dq=%22XDM%22+display+manager&pg=PA549 |title=UNIX Administration: A Comprehensive Sourcebook for Effective Systems & Network Management |date=2002-05-29 |publisher=CRC Press |isbn=978-1-4200-0003-0 |language=en}}</ref>