On Mon, 2015-11-23 at 19:23 +0000, Andrew R Paterson wrote:
I must be missing the point here, but I have always found that after
installing multiple desktops and leaving gdm as the login manager,
when you
are asked for the password on login there is a little gear cog icon
which if
you click on brings up a menu of the different desktops you have
installed -
for instance I have CDE, GNOME, KDE .....
You're confusing Desktop Environment (DE) with Desktop Manager (DM).
The DM handles the graphical login and other session stuff, including
allowing you to select your DE, but the various DMs (gdm, kdm, sddm,
...) have slightly different capabilities.
poc