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Mac OS X Snow Leopard (10.6), released in August 2009, was the first version of Mac OS X (later macOS) to require a Mac with an Intel processor, ending operating system support for PowerPC Macs three years after the transition was complete.
In the mid-1990s, Mac OS was falling behind Windows. [3] In 1993, Microsoft had introduced the next-generation Windows NT, which was a processor-independent, multiprocessing and multi-user operating system. [4] At the time, Mac OS was still a single-user OS, and had gained a reputation for being unstable.
Timeline showing releases of Windows for personal computers and servers. Microsoft Windows is a computer operating system developed by Microsoft. It was first launched in 1985 as a graphical operating system built on MS-DOS. The initial version was followed by several subsequent releases, and by the early 1990s, the Windows line had split into ...
This is a list of Microsoft written and published operating systems. For the codenames that Microsoft gave their operating systems , see Microsoft codenames . For another list of versions of Microsoft Windows, see, List of Microsoft Windows versions .
Macs run the macOS operating system, which is the second most widely used desktop OS according to StatCounter. [192] Macs can also run Windows, Linux, or other operating systems through virtualization, emulation, or multi-booting. [193] [194] [195] macOS is the successor of the classic Mac OS, which had nine releases between 1984 and 1999.
At macOS's core is a POSIX-compliant operating system built on top of the XNU kernel, [79] (which incorporated large parts of FreeBSD kernel [12]) and FreeBSD userland [12] for the standard Unix facilities available from the command line interface. Apple has released this family of software as a free and open source operating system named Darwin.
The utility also installs a Windows Control Panel applet for selecting the default boot operating system. Initially introduced as an unsupported beta for Mac OS X 10.4 Tiger, [1] [2] the utility was first introduced with Mac OS X 10.5 Leopard and has been included in
The "two-year transition" from Intel to Apple silicon Mac began on November 10, 2020 when Apple announced the Apple M1, the first system on a chip based on the ARM architecture, which is slated to be used in Macs, alongside an updated models of the Mac Mini, MacBook Air and 13-inch MacBook Pro based on it. [2]