Multiple choice technology operating systems Which of the following is not a Linux GUI? Xfree86 KDE Motif Gnome Reveal answer Fill a bubble to check yourself A Correct answer Explanation XFree86 is a windowing system server, not a GUI itself. KDE, GNOME, and Motif are actual desktop environments or GUI toolkits. XFree86 provides the foundation for GUI display but isn't a complete graphical interface.