“One of the hardest things for users of other platform to
understand is that GNU/Linux does not have a single graphical
display. Instead, there are dozens, ranging from basic window
managers that control the look and positioning of windows in the X
Window system, to complete desktop environments with a wide variety
of utilities and specially designed applications.“However, for most users, the choice comes down to either GNOME
or KDE, the two most polished and popular choices…”