Ubuntu has three main supported variants, known as Edubuntu, Kubuntu, and Xubuntu. Edubuntu is an optimized version for use in classroom environments as it allows access and control of client desktops, but actually differs little from the main Ubuntu distribution. Kubuntu use the KDE window manager and associated KDE applications, whilst Xubuntu uses Xfce and the associated Xfce based applications. All four distributions use X at the heart of the distro to allow the window managers (Gnome, KDE, and Xfce) to run. We will look at KDE and Xfce later on in this chapter.
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