locations on screen that a user

points to must be considered. Since the mouse is the major selecting method on a Macintosh, mouse movement should be kept to a minimum. In addition, for experienced typists, the mouse is a cumbersome substitute for well-designed keyboard commands, especially for intensive text editing.

Urban legned has it that the Mac user interface was copied from Xerox's Palo Alto Research Center. Although it is true that Xerox's smalltalk had a GUI and Xerox introduced some GUI concepts commercially on the Xerox Star computer in 1981, and that Steve Jobs and members of the Mac and Lisa project teams visited PARC, Jef Raskin, who created the Mac project, points out that many GUI concepts which are now considered fundamental, such as dragging objects and pull-down menus with the mouse, were actually invented at Apple.

Pull-down menus have become common on IBM, Commodore and Amiga computers. Microsoft Windows and OS/2 Presentation Manager, Digital Research's GEM, Hewlett-Packard's New Wave, the X Window System, RISC OS and many other programs and operating environments also incorporate some or all of the desktop/mouse/icon features.

Apple Computer have tried to prevent other companies from using some GUI concepts by taking legal action against them. It is because of such restrictive practises that organisations such as the Free Software Foundation previously refused to support ports of their software to Apple machines, though this ban has now been lifted. [Why? When?]

Last updated: 1996-07-19

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locations on screen that a userearch Center}. Although it is

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