gdmflexiserver(1) on Linux
The text efddef2daff6, as Debian 5.0 (Lenny) shipped it.
start a GDM session using the GDM flexible server mechanism, or in Xnest
Flags it lists
-
--authenticate -
--command -
--debug -
--no-lock -
--xnest -
-a -
-c -
-d -
-l -
-n