Most personal computer offer a GUI (Graphical User Interface). The acronym GUI is pronounced ‘‘gooey‘‘.
The GUI was invented by Douglas Engelbart and his research group at the Stanford Research Institute.
It was then copied by researchers at Xerox PARC. One fine day, Steve Jobs, cofounder of Apple, was touring
PARC and saw a GUI on a Xerox computer and said something to the effect of "Holy mackerel, this is the
future of computing". The GUI gave him the idea for a new computer, which became the Apple Lisa. The
Lisa was too expensive and was a commercial failure, but its successor the Macintosh, was a huge success.
Modern Operating System --- Graphical User Interface
原文：http://www.cnblogs.com/miaoyong/p/4865647.html