Acronym for Graphical User Interface.
A GUI normally involves the WIMP paradigm (Windows, Icons, Mouse, Pointer) and provides a nice graphical (higher resolution) way of looking at data.
Purists use GUIs only to run multiple copies of xterm(1)
Compare with CommandLine.
<<<<<<< Your version One of the downsides about MicrosoftWindows is that the GUI is built into the OperatingSystem. Conversely, Linux provides any number of GUI interfaces; most of which use TheXWindowingSystem - look up GNOME or KDE for some GUI DesktopEnvironments?.
82 pages link to GUI:
