It is fair to say that the Mac team invented the GUI, while Xerox invented the Mouse.
That would be fair, except that the mouse was invented at SRI. Also, Xerox did release a commercial GUI product before the introduction of the Mac, as did Three Rivers (PERQ) and AT&T/Teletype (the Blit). So there's that.
Re:The OS Doesn’t Matter…
by prodigal_erik on Monday October 04, 2010 @04:47AM
(#1755045)
They did invent overlapped windows, and clipping efficient enough to get away with it. They thought they had seen overlapped windows at PARC, but those were actually just tiled.
Also auto-configured network clients.
Truthfully though, the current Apple is really more of an NeXT takeover of Apple and *Step is a direct legacy.