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Mac OS X Snow Leopard (version 10.6) (also referred to as OS X Snow Leopard [10]) is the seventh major release of macOS, Apple's desktop and server operating system for Macintosh computers. Snow Leopard was publicly unveiled on June 8, 2009 [ 11 ] at Apple’s Worldwide Developers Conference .
CNET rated Mac OS X 10.0, a 6 out of 10, calling it "more stable than previous Mac OSs", along with compliments on its UI, memory management and speed, but isn't "ready for the masses", due to issues such as the lack of native third-party applications for the platform, missing DVD playback and hard to use user interfaces. [18]
Otherwise, users will have to install QuickTime 7 from the "Optional Installs" directory of the Snow Leopard DVD after installing the OS. Mac OS X Lion and later also include QuickTime X. No installer for QuickTime 7 is included with these software packages, but users can download the QuickTime 7 installer from the Apple support site.
Leopard is an Open Brand UNIX 03 registered product on the Intel platform. It was also the first BSD-based OS to receive UNIX 03 certification. [3] [52] Leopard dropped support for the Classic Environment and all Classic applications, [53] and was the final version of Mac OS X to support the PowerPC architecture.
In 2009, Apple announced at WWDC that Mac OS X 10.6 Snow Leopard would drop support for PowerPC processors and be Intel-only. [135] Rosetta continued to be offered as an optional download or installation choice in Snow Leopard before it was discontinued with Mac OS X 10.7 Lion. [136]
Leopard was released on October 26, 2007 as the successor of Mac OS X Tiger, and is available in two editions: a desktop version suitable for personal computers, and a server version, Mac OS X Server. It retailed for $129 [2] for the desktop version and $499 for Server. [8] Leopard was superseded by Mac OS X Snow Leopard (version 10.6
In Mac OS X Tiger, X11 was an optional install included on the install DVD. Mac OS X Leopard, Snow Leopard and Lion installed X11 by default, but from OS X Mountain Lion (10.8), Apple dropped dedicated support for X11, with users directed to the open source XQuartz project (to which it contributes) instead. [126]
The first developer preview of Lion added TRIM support for Solid-state drives (SSD) shipped with Macs, which is also included in the latest version of Snow Leopard (10.6.8) shipping with MacBook Pros before July 20, 2011. Other SSDs have built-in TRIM-like optimization, while yet others require OS patching.