Session type
Session type
On this dialog select the session type you want.Start no client
This will just start the X server. You will be able to start X clients later.Select this option if you don't understand the others.
Start a program
This will start one local or remote program which will automatically run with the X server. Remote programs are started using SSH.Open session via XDMCP
This will start a remote XDMCP session. Starting local clients later is limited.This option is not available in the 'Multiple windows' mode.