The default locations of the Login Manager files are:
/usr/dt/bin/dtlogin--the login server and display manager
/usr/dt/bin/dtgreet--displays a login screen for a display
/usr/dt/bin/dtchooser--displays a chooser screen for a display
/usr/dt/bin/Xsession--starts a desktop session
/usr/dt/config/Xfailsafe--starts a failsafe session
/usr/dt/config/Xconfig--login server configuration file
/usr/dt/config/Xservers--login server display description file
/usr/dt/config/Xaccess--login server access description file
/usr/dt/config/language/Xresources--display layout resources
/usr/dt/config/Xsetup--display setup file
/usr/dt/config/Xstartup--pre-session startup file
/usr/dt/config/Xreset--post-session reset file
/var/dt/Xpid--process ID of the login server
/var/dt/Xerrors--error log file of the login server