You have logged in to your Linux box as a normal user with the default desktop. After working for
a while, you plan to change your desktop to KDE. How would you change the desktop?
A.
by configuring the /etc/X11/prefdm file
B.
by configuring the /etc/X11 /xorg.conf file
C.
by configuring the /etc/sysconfig/desktop file
D.
by using the switchdesk command with KDE as the argument