Mac Os Ten x.6 Snow Leopard was billed as primarily under-the-hood changes toOS X ten.v Leopard, but information technology was much more significant than that.

OS X 10.6 Snow Leopard Snowfall Leopard was announced at the June 2008 Worldwide Developer Conference (WWDC) and released on Baronial 28, 2009.

For the showtime fourth dimension since Mac Bone eight.5 was released in October 1998, Apple tree left behind an entire processor compages. In 1998, it left behind Motorola 680×0 CPUs in favor of PowerPC (the showtime PPC Macs hawered been introduced in March 1994). With OS X 10.6, Apple left behind PowerPC CPUs in favor of Intel (the commencement Intel Macs were introduced in Jan 2006).

Snow Leopard is not impacted by the "goto neglect" bug discovered in early on 2014.

Big Changes with ten.half dozen

  • Snow Leopard is smaller than Leopard. Past removing PowerPC and other unnecessary legacy code, Apple profoundly reduced the bulldoze space needed past the operating organisation. It takes up nearly half as much infinite and thus will install about twice as quickly as Leopard. That said, it makes more than demands of your hardware, and so a Mac that runs Leopard comfortably with 1 GB of memory may feel very sluggish with Snowfall Leopard one time you accept more than a couple apps running. We strongly recommend at least 2 GB of memory.
  • Grand Central Dispatch One thousand Central Acceleration (GCD) ways that the entire operating organization is designed to accept reward of multiple cores, whether on one chip or more than ane. Process threads, which were handled past apps in the past, are now handled past the Bone with new programs designed to use GCD. GCD will assign only as many threads to an app as it currently needs, which makes for ameliorate use of resource.
  • 64-bit Operation Total 64-bit support means programs will no longer be limited to 4 GB of RAM; the new maximum (16 exabytes) is meaningless, every bit no computer in the forseeable future will exist able to hold billions of gigabytes of retentivity. Both the OS and almost all "system applications" (Finder, Safari, Mail service, iChat, iCal, etc.) are set for 64-bit operation. And Snow Leopard is completely backwards-compatible with 32-bit apps. First generation Intel Macs designed effectually Intel Core Solo and Core Duo chips do not support 64-flake operation; all Macs since then do.
  • OpenCL OpenCL takes advantage of powerful modernistic graphic processing units (GPUs, a.k.a. "video cards") for more than than displaying video. All of that processing power will also be bachelor for full general purpose computing.
  • QuickTime X introduced a new QuickTime player and will take full reward of Core Audio, Core Video, and Core Animation. It can record audio and video using your Mac's congenital-in microphone and webcam, and it can trim and export for iPod, iPhone, Apple Television receiver, YouTube, and MobileMe then yous don't need to worry about which codec to employ. QuickTime X supports HTTP live streaming, which tin can adjust quality on the fly based on available network bandwidth. Of grade information technology takes reward of GCD and 64-bit functioning.
  • Exchange Support is built correct into the OS. Mail, iCal, and Address Book will work with Microsoft Exchange Server 2007. This may explain why Microsoft finally brought Outlook to the Mac with Office 2010. So long, Outlook.
  • The Finder has been completely rewritten to support 64-bit operation and take reward of Grand Cardinal Dispatch. This makes the Finder much more responsive.
  • For the first time, the Services bill of fare is contextual: You will only run into the services available to the current app. (Until now, one-half or more of the Services might be grayed out because they don't piece of work with your current program.)
  • Exposé can work in the Dock – click and hold an application icon and it will display that app's active documents in a grid. Apple tree claims this will make it "fifty-fifty easier to observe what you're looking for."
  • Fourth dimension Machine backups are upwardly to l% faster, co-ordinate to Apple. This will be particularly helpful for that first, long, full backup.
  • Macs shut down and wake up more than quickly, and joining a WiFi network is besides faster. This makes for more energy efficient file sharing – your sleeping Mac uses less energy and wakes more than speedily to serve upwardly files.
  • If you travel with you're Mac, you'll appreciate automatic time zone settings.
  • The 'Wake on Demand' characteristic may proceed your Mac from staying asleep. The fix is to reset the Energy Saver settings to their defaults, then put in your own settings.

Things Lost with x.6

  • At that place is no support for LocalTalk/AppleTalk in Snow Leopard. You lot'll need to find some other style to connect those old printers.
  • There is no longer any support for Palm Bone devices in iSync. The Missing Sync (commercial software) does back up Palm devices.
  • Snow Leopard ignores creator codes when launching documents, somethingevery Mac OS prior to 10.6 has supported – it's been function of the Mac Os since the beginning.
  • In that location is no write support for HFS+ volumes (floppies, difficult drives, etc.)

Snow Leopard was replaced withBone X 10.7 Lion on July 20, 2011 later only 11 months at the helm.

Last Supported Software

As Bone Ten has moved forward, more and more than software has dropped support for Snow Leopard.

From Apple

From Other Vendors

Minimum Hardware Requirements

  • Intel-based Mac
  • 1 GB of RAM, although two GB is strongly recommended
  • 5 GB of available drive infinite
  • DVD-compatible optical drive
  • Grand Central Dispatch requires a dual-cadre CPU
  • 64-flake back up requires a Cadre 2 or newer CPU
  • OpenCL is uniform with all current Macs. Information technology is not compatible with:
    • iMacs released before March 2009
    • Mac mini released before March 2009
    • MacBook released before Oct 2008
    • MacBook Pro released before June 2007
    • original MacBook Air
    • Mac Pro released before January 2008 (Jan. 2008 and afterwards models with unsupported video cards can used the discontinued GeForce 8800 upgrade kit – Apple office no. MB137Z/A – for OpenCL support. TheGeForce GT 120 retails for $149, is designed to work with the 2009 Mac Pro and has been reported to work with the 2008 model also.)

Farther Reading

Downloadable Updates

Standalone Updates let you update to a newer version of Mac Os X from your hard drive instead of using Software Update, which requires an Internet connection. Download the one(s) yous need and install them after mounting the disk image and launching the Installer program.

At that place are two types of Standalone Updates: Private (or Delta) and Combo.

  • Private Updates update one version of Mac OS X to the next version. For example, the Mac Os X 10.6.4 Update updates Mac Bone X x.6.3 to version 10.6.4. Private Updates are also known as Delta Updates.
  • Combo Updates update the base of operations version of a Mac OS X release to the version specified in the Philharmonic Update, including all intermediate updates. For example, the Mac Os X 10.half dozen.four Combo Update updates any earlier version of Mac Os X 10.6 to Mac Os X 10.6.4 using a single installer, as opposed to installing the private Mac Os X x.6.1, x.vi.2, 10.six.iii, and 10.6.four updates.

Standalone Updates are generally bachelor 24 to 48 hours later on the Update is bachelor through Software Update.

If you burn a Standalone Update to CD, its disk image must be copied to your desktop or some other location on your Mac OS 10 startup deejay in order to be installed.

This folio will exist updated equally new Standalone Updates become available.

Mac OS Ten 10.vi.1

Mac OS X ten.six.ii

Mac OS X ten.half-dozen.three

Mac OS X 10.6.4

Mac OS X 10.6.v

Mac OS 10 10.6.6

Version 10.vi.6 introduced the Mac App Store.

Mac OS X x.6.vii

Mac Os 10 10.6.eight

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