|  | Welcome to guidebook, a website dedicated to preserving and showcasing Graphical User Interfaces, as well as various materials related to them.
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|  | Site last updated on 6th October 2006:
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|  | Three of 14 posters for Macintosh’s 20th birthday present its groundbreaking GUI:
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|  |  | Graphical Environment Operating System for Commodore C64 was one of the first, if not the first GUI the author of this website has become fascinated with. GEOS tried to recreate Macintosh interface on a vastly inferior machine, and even if it was slower and more limited, it prolonged the life of a dying 8-bit platform.
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|  |  | “Greetings, professor Falken.” Well, not exactly, but most of the GUIs indeed have command-line interfaces, for those used to communicate with computers using strange, cryptic messages. Check out how surprisingly different can simple command prompts be.
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|  |  | The icon for Mac OS X’s Finder (application and file manager) changed slightly between 10.2 Jaguar and 10.3 Panther editions of the system. Is this the only icon that was updated? Check it out in the big icon chart.
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