Happy 10th Birthday OS X!

Posted on March 24, 2011 by

Mac OS X turns 10 years old today. It was on March 24, 2001 that Apple released Mac OS X 10.0 Cheetah. OS X 10.0 was a big step step in a new direction for Apple’s operating system, but it was kinda slow and felt like it was still in beta.

It wasn’t until OS X 10.1 Puma came out in September of 2001 that OS X really became usable. OS X 10.2 Jaguar was released in August of 2002 and improved the performance of Mac OS X by featuring Quartz Extreme, a new version of Quartz that took advantage of the graphics accelerator cards on the modern Macs.

OS X 10.3 Panther was released in October of 2003 and introduced new features like Exposé, Fast User Switching and Xcode.

In April of 2005, OS X 10.4 Tiger was released. Tiger featured some awesome new features like Spotlight, Dashboard, Automator, Smart Folders and hundreds of other great features I wouldn’t be able to live without now. I feel that Tiger was the biggest and most important update to OS X. It was also the longest running version of OS X so far.

OS X 10.5 Leopard was released 30 months after Tiger in October of 2007. Leopard contained over 300 changes and enhancements, covering core operating system components as well as included applications and developer tools. It featured a redesigned Dock with Stacks, a semitransparent menu bar and incorporated the Cover Flow visual to Finder.

The latest version of OS X, 10.6 Snow Leopard, was released in August of 2009. Snow Leopard didn’t include many noticeable new features, but focused mostly on improving performance, efficiency and reducing its overall memory footprint. It was also the first version of OS X that didn’t support the PowerPC architecture found in Mac models manufactured prior to 2006.

OS X 10.7 Lion is scheduled to be released sometime this summer and will bring many of the features we love about iOS to the Mac.

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