How to Switch from GDM to KDM ?

Step 1: create a file "desktop"

Step 2: In "desktop" put this:

           DISPLAYMANGER="KDE"

save the file.
Step 3: copy the file in "\etc\sysconfig"

For this, open the terminal and run "sudo cp desktop /etc/sysconfig"

or su and then copy.

Step 4: reboot

Posted from GScribble.