| <XRoot>/lib/X11/xdm/xdm-config | The default configuration file |
| $HOME/.Xauthority | User authorization file where xdm stores keys for clients to read |
| $HOME/.xresources | Startup script executed by Xsession |
| <XRoot>/lib/X11/xdm/chooser | The default chooser |
| <XRoot>/bin/xrdb | The default resource database loader |
| <XRoot>/bin/X | The default server |
| <XRoot>/bin/xterm | The default session program and failsafe client |
| <XRoot>/lib/X11/xdm/ A<display>-<suffix> | The default place for authorization files |
| /tmp/K5C<display> | Kerberos credentials |
| <xroot>/lib/X11/Cards | Video cards database |
| xinitrc | Default client script |
| xterm | Client to run if .xinitrc does not exist |
| .xserverrc | Default server script |
| X | Server to run if .xserverrc does not exist |