Joshua Thomas Mac os

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Jun 14, 1978

In June of 1978 Apple introduces Apple DOS 3.1, the first operating system for the Apple computers

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Mar 17, 1984

Apple introduces System 1

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Sep 13, 1985

Apple introduces System 2.

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Jul 13, 1986

Apple introduces System 2.

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Feb 2, 1987

Apple introduces System 4.

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Jun 15, 1988

Apple introduces System 6.

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May 13, 1991

Apple introduces System 7 operating system May 13, 1991.

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Jan 4, 1995

Apple allows other computer companies to clone its computer by announcing its licensed the Macintosh operating system rights to Radius on January 4.

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Apr 25, 1997

Apple introduces Mac OS 8.

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Nov 14, 1997

Apple buys NeXT Software Inc. for $400 million and acquires Steve Jobs, Apples cofounder, as a consultant.

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Mar 9, 1999

Apple introduces Mac OS 9.

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Mar 24, 2001

Apple introduces Mac OS X 10.0 code named Cheetah and becomes available March 24, 2001.

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Sep 25, 2001

Apple introduces Mac OS X 10.1 code named Puma and becomes available on September 25, 2001.

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Aug 23, 2002

Apple introduces Mac OS X 10.2 code named Jaguar and becomes available on August 23, 2002.

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Oct 25, 2003

Apple introduces Mac OS X 10.3 code named Panther October 25, 2003.

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Jun 28, 2004

Apple introduces Mac OS X 10.4 code named Tiger at the WWDC on June 28, 2004.

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Oct 26, 2007

Apple introduces Mac OS X 10.5 code named Leopard October 26, 2007.

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Jun 9, 2008

Apple introduces Mac OS X 10.6 code named Snow Leopard and MobileMe at the WWDC on June 9, 2008.