Looking for logging into the Xdm Manager site and are not getting the correct working link for it? In such a case, you can use the links given here by searching your desired login page in the search box. If the page is present on our website then you will get all the links related to the Xdm Manager site. After that you can login as usual with your login credentials.
https://en.wikipedia.org/wiki/XDM_(display_manager)
https://wiki.archlinux.org/index.php/XDM_(Portugu%C3%AAs)
http://xdman.sourceforge.net/
https://wiki.gentoo.org/wiki/Display_manager
https://www.linuxjournal.com/article/3325
https://www.tldp.org/HOWTO/XDM-Xterm/config.html
https://www.if-not-true-then-false.com/2018/fedora-switch-display-manager/
https://medium.com/@franklintimoteo/o-que-s%C3%A3o-xdm-kdm-gdm-xinit-no-linux-entenda-de-uma-vez-por-todas-a-diferen%C3%A7a-37b53b771228
https://www.freebsd.org/doc/handbook/x-xdm.html
https://www.funtoo.org/Package:XDM_(Display_Manager)
https://www.linuxquestions.org/questions/slackware-14/xdm-display-manager-login-loop-4175558888/
https://www.hardware.com.br/comunidade/xdm-kdm/41787/
https://www.freedesktop.org/wiki/display_manager/