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Apple Introduces The First Apple DOS 3.1 the first operating system for computers.
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Apple Introduces 1 through 6 system.
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apple Operating system 7 is established
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Apple allows other computer companies to clone its computer by announcing its licensed the Macintosh operating system.
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Mac introduces Mac OS 8
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buys NeXT Software Inc. for $400 million and acquires Steve Jobs, Apples cofounder, as a consultant
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introduces Mac OS 9.
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Apple develops Mac OS X 10.0 Consistantly through this time era