How do I show or hide file extensions in Mac OS X? I recently switched to a new Mac ... they tend to be missing their file extensions (.txt, .png, etc.), which was never a problem on my old ...

As was mentioned earlier today during Apple’s special event, Mac OS X 10.10 Yosemite is now available as a free upgrade for users running OS X 10.8 Mountain Lion and 10.9 Mavericks.

Mac OS X 10.7 was first shown to the public in October 2010. The presentation was understated, especially compared to the bold rhetoric that accompanied the launches of the iPhone ("Apple ...

2001: __Apple gives birth to Mac OS X -- the beating heart of today's Macs, iPhones and, soon, the iPad. Fired and then rehired by his own company, Steve Jobs drove a near-broke Apple Computer to ...

On March 24, 2001, a Saturday, Apple began allowing customers to purchase Mac OS X, the successor to the classic Mac OS. The first version of Mac OS X, "Cheetah," was famous for its "Aqua ...