Mac OS X is X Years Old

Today, March 24th, is the 10th (Roman Numeral X) birthday of Apple’s operating system: Mac OS X. On September 13th 2000 Apple released the first public beta of their operating system named “Kodiak”. On the 24th of March 2001 they released Mac OS X 10.0 and abandoned OS9.

Here is Steve Jobs’ 2000 keynote introducing Mac OS X:

Here are part 2 and part 3 of that video.

Mac OS X was based on NeXTSTEP from NeXT, the company that Steve Jobs has founded and was later acquired by Apple. Mac OS X was initially made for PowerPC processors but in 2005 Apple rewrote the OS from scratch to work with Intel.

The Mac OS X editions are:

Mac OS X 10.0 Cheetah on March 24th 2001
Mac OS X 10.1 Puma September 25th 2001
Mac OS X 10.2 Jaguar August 24th 2002
Mac OS X 10.3 Panther October 24th 2003
Mac OS X 10.4 Tiger April 29th 2005
Mac OS X 10.4 Intel Tiger January 10th 2006
Mac OS X 10.5 Leopard October 26th 2007
Mac OS X 10.6 Snow Leopard August 28th 2009
Mac OS X 10.7 Lion to be released Summer 2011

Happy birthday, Mac OS X!

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