how to start kde

[Gavin Li]

I changed start default runlevel to 3
and I want to start KDE after  login, so I input command startkde, but it
failed, can't found display, etc

Another question: if runlevel is 5, how to setup to start kde not gnome in
that login window, It can't remember my last time login settings.

BTW, I installed both gnome and kde. the kde desktop icons will disappear if
the fist time login is login to gnome. but it will be ok if the first time
is login to KDE just after install. It happens in most of the FC release.