Mac OS, which stands for Macintosh Operating System, is a series of graphical user interface-based operating systems developed by Apple Computer for their Macintosh line of computer systems. The Mac OS is often credited with popularizing the graphical user interface. It was first introduced in 1984 with the original Macintosh 128K.

Apple deliberately played down the existence of the operating system in the early years of the Macintosh to help make the machine appear more user-friendly and to distance it from other operating systems such as MS-DOS, which were portrayed as arcane and technically challenging. Apple wanted Macintosh to be portrayed as a computer "for the rest of us". The term "Mac OS" didn't really exist until it was officially used during the mid-1990s. The term has since been applied to all versions of the Mac system software as a handy way to refer to it when discussing it in context with other operating systems.

Earlier versions of the Mac OS were compatible only with Motorola 68000-based Macintoshes, while later versions were also compatible with the PowerPC (PPC) architecture. Most recently, Mac OS X has become compatible with Intel's x86 architecture.

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HP's first 13.3-inch Pavilion vs. the competition
Wed, 01 Oct 2008 12:34:18 -0700
HP is shipping its first laptop with a 13.3-inch widescreen display. The HP Pavilion dv3500t series is already available on HP's site starting at $1,000, and a slightly higher-end configuration, the dv3520nr, is available for pre-order at Best Buy for $1,200. Other sites have reported that this model will be...
A new mystery: What's Microsoft got up its Office Live sleeve?
Wed, 01 Oct 2008 12:22:06 -0700
It sounds like Microsoft has yet another Professional Developers Conference PDC announcement percolating -- beyond the Windows 7, Oslo, cloud OS (Red Dog/Zurich) and Mesh Platform stuff about which the company already has been dropping hints. by Mary Jo Foley
Google talks efficient data centers
Wed, 01 Oct 2008 12:18:32 -0700
Google is known as a search titan, but its real business is running data centers. On Wednesday, Google handed out a few key tips as it touted its data center efficiency and sustainability efforts. In a blog post, Google's senior vice president of operations Urs Hölzle outlined...
Apple strikes back against Psystar, asks for counterclaim to be dismissed
Wed, 01 Oct 2008 12:17:23 -0700
Apple has hit back against claims made by Mac-clone maker Psystar that the company is operating in violation of the Sherman Antitrust Act and the Clayton Antitrust Act and will be asking the U.S. District Court judge to dismiss to dismiss the counterclaim. by Adrian Kingsley-Hughes
Microsoft HealthVault offers the nickel tour
Wed, 01 Oct 2008 12:08:55 -0700
Nolan insists that "third party applications" will be what get HealthVault over the top, and it's in making those available that he hopes the system will prove its value. by Dana Blankenhorn
Student Technology Day: "Windows Cloud" revealed
Wed, 01 Oct 2008 11:47:18 -0700
Steve Ballmer was next door in the Queen Elizabeth Hall talking to the TechNet/TechEd people about Office Live, and mentioning that there would be a major announcement at the PDC on the 27th October. Once he finished there, he popped next door and told us a similar thing. ...

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