Why!! does End Session default to Runlevel 3

[Jim]

g wrote:
> not to be pendant.
>
> Patrick O'Callaghan wrote:
>> On Fri, 2008-05-30 at 23:54 +0000, g wrote:
>>>> # Run xdm in runlevel 5
>
> from 'man xdm':
>
> DESCRIPTION
>        Xdm  manages a collection of X displays, which may be on the 
> local host
>        or remote servers.
>
>>>> x:5:respawn:/etc/X11/prefdm -nodaemon
>
> which you defined.
>
> and i should have cut out and followed with,
>
>>> tells what you have for 'x-windows' manager.
>
> assuming, you wrote,
>
>> Pedantry alert:
>
> and replied with information of,
>
>> prefdm configures the *desktop* manager (KDE, Gnome,
>> whatever), of which the X window manager is just a part (usually kwm or
>> metacity for KDE and Gnome respectively).
>
> which i agree too.
>
>
> any way, jim boots level 3 and rex boots level 5, and why difference. 
> <gbwg>
>
>
If the computer is off and I boot up it always goes to the Login Windows 
and I login and go into desktop.
But when I do a END SESSION, thats when it drops to Runlevel 3  , 
instead of going back to Login Window.