A clean installation of "Snow Leopard" took 15-20 minutes less on average than an install of "Leopard" on the same hardware with its initial release, making it easier for system administrators to upgrade hardware. The memory footprint and disk footprint were significantly reduced for a lighter and faster install (10.5 required 9 GB 10.6 reduced this to 5 GB minimum). A minor, but welcome change often overlooked is the addition of a Restore button in the Trash on the Mac, that has existed in the Recycle Bin for Windows users since 95. Smaller improvements, such as better support for mDNS packets and energy improvements were made as well. Time Machine backups were smoother on average, Finder file operations, such as copying and emptying the Trash, were tweaked overall for faster performance, and both CUPS (the underlying printing service for OS X and other *nix-like systems) and network operations were improved. Accessibility features, including the drastic changes made to VoiceOver and to several underlying features, were improved to be more responsive to input. Part of this change, as previously mentioned, was the introduction of full 64-bit support for x86_64 Macs, though "Snow Leopard" was also designed to run as a 32-bit OS on hardware such as the early Core Duo-based Mac Mini, iMac, and MacBook models.ĭespite being smaller, "Snow Leopard" is a release to be reckoned with, as it improved the overall performance of the system, fixing several bugs that caused overall sluggishness in the previous large-scale release, 10.5 "Leopard". Rather, the mission of 10.6 "Snow Leopard" was to further Mac OS X by adding support for new technologies, fine tuning, and refining frameworks and the OS as a whole from the previous release on Apple desktops and notebooks. Despite these advances, 10.5 still lacked a complete switch from the kernel down to 64-bit throughout the whole system for the newly-released Intel machines (the Mac Pro was already 64-bit capable, and several Mac models quickly switched from using the Core Duo (32-bit) to the then-new Core 2 Duo (64-bit) processor.) A successor to 10.5 "Leopard" was first announced at the WWDC on June 9, 2008, then again in 2009, and finally was released to the public August 28 of the same year.ġ0.6 "Snow Leopard" was not advertised as competing against Windows as Leopard had done previously, nor was it toted as containing a groundbreaking feature set. "Leopard" had been a large success, having finally unified support for Intel and PowerPC machines onto one DVD release, with full 64-bit support for the PowerMac G5. Mac OS X 10.6 "Snow Leopard" is a version of Mac OS X.
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