Happy Birthday Mac OS X! Mac OS X Turns 10 Years Old Today

Mar 24, 2011 - 8 Comments


Believe it or not, Mac OS X is celebrating it’s birthday and turns 10 years old today. First released to the public on March 24, 2001, Mac OS X 10.0 Cheetah was a huge conceptual leap forward for the Mac platform. Unfortunately the first OS X iteration was painfully slow and largely unusable due to performance issues, and these troubles kept most Mac users on Mac OS 9 until 10.1 was released which sped things up dramatically. Things rapidly evolved from there and the rest is obviously history.

This is what the first release of Mac OS X 10 Cheetah looked like, featuring elements that are still familiar today but with a candy striped Aqua interface:


Over the course of 10 years, what started as Mac OS X Cheetah has been refined into Mac OS X 10.7 Lion, which is scheduled for release this summer and looks a bit different:


Happy Birthday to Mac OS X!

Will Mac OS X be around in another 10 years? Probably not by name, but elements of it will surely live long into Apple’s future.

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Posted by: William Pearson in Mac OS X, News


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  1. IanG says:

    It’s means “it is” or “it has”, AND NOTHING ELSE!

  2. Bruceleexiv says:

    GC, you should work on your reading skills. This article, as it says on the top, was released on March 24, 2011.

    However, it is odd that this, and other year-old articles, are showing up on Macsurfer today.

  3. GC says:

    Do the math, it’s eleven years old. Also, it is ‘OS X 10.8 Mountain Lion’ that is being released this summer not Mac OS X 10.7 Lion.

  4. veggiedude says:

    Why does this site say it is 10 years old?

  5. Ian says:

    A bit odd that the “father” of Mac OS X Bertrand leaves the day before the birthday, isn’t it??

  6. Jim says:

    I remember using the Public Beta of OS X, good gawd was it ugly with all the pinstripes. Glad they got over that quickly!

  7. […] Mac OS X, News – March 24th, 2011 – No Comments […]

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