Today marks the 15th anniversary of Apple releasing Mac OS X Snow Leopard, which became available to purchase for $29 on August 28, 2009. After advertising Mac OS X Leopard as having "over 300 new ...

Speculation is rampant that Mach, which is a component of the OS X kernel, will be axed from OS X 10.5 (Leopard). If you read Cringely’s treatise on monolithic kernels you’ll get the gist of the ...

Apple will ship its new Mac OS X version, Mac OS X 10.6 Snow Leopard, on Friday, Aug. 28, the company’s Web site confirmed today. Speculation has run rampant in the last week about the Aug. 28 date, ...

A change to the licensing agreement for Apple’s OS X Leopard Server operating system software will allow users to run virtual machines on Apple hardware. Before Mac OS X Leopard shipped, the license ...

Apple Computer this week delivered to developers Mac OS X 10.5 Leopard build 9A303, the latest in an extremely limited series of pre-release builds of its next-generation operating system. People ...

Continuing to refine its recently-released Mac OS X 10.5 Leopard operating system at a rapid pace, Mac maker Apple Inc. will soon begin testing the first pre-release builds of Mac OS X 10.5.2 Update, ...

Apple made it official. Mac OS X Leopard will go on sale Oct. 26. The company separately announced Leopard server. First, Leopard. The OS upgrade will go on sale at 6 p.m. local time at Apple retail ...

Are you curious how expose in OS X will work with the upcoming “spaces” virtual desktop feature? Take a look. You can easily move windows between desktops and expose will “re-expose” the desktop once ...

Mac OS X 10.5, better known as Leopard, will be released at 6 p.m. Friday. It's an ambitious and impressive operating system that includes more than 300 new features and innovations. While I'll be ...

I've been trying unsuccessfully to install OS X Leopard (10.5) on one of my recent Macs. All three -- a MacBook, a MacBook Pro, and a Mac Mini -- came with Snow Leopard (10.6) pre-installed. I have an ...

Though some thought it was released too soon, Mac OS X 10.5 has matured into a solid operating system It has been just over six months since Mac OS X “Leopard” first shipped, bringing with it a slew ...