Mac OS x 10.7-Lion

Mac OS- Versions
Mac OS x v.10.7

Release and distribution



On June 6, 2011, at the Apple Worldwide Developers Conference, it was announced that the official release for Lion would be in July 2011. The specific release date of July 20 was not confirmed until the day before, July 19, by Apple CFO, Peter Oppenheimer, as part of Apple's 2011 third-quarter earnings announcement.
Apple did not initially announce any physical media distribution for Lion, such as a set of CD-ROMs or a DVD-ROM as used for past releases. Instead, the operating system was said to be available exclusively as a download from the Mac App Store for US$29.99.[14][15] The only prior version of OS X that supports the Mac App Store is Snow Leopard, which implied that any machines that support Lion currently running Tiger or Leopard would first have to be upgraded to Snow Leopard, as opposed to allowing a direct upgrade to Lion.
Apple later announced two alternative distribution mechanisms for the benefit of users without broadband Internet access: in-store downloads at retail Apple Stores, and a USB flash drive containing the OS, priced at US$69, available through the online Apple Store beginning in August. On August 4, 2011, Apple started to take orders for Mac OS X Lion's USB installation flash drives for $69.99.
The Server portion of Lion is available as a separate download from the Mac App Store for US$49.99, which is in addition to the purchase price of Lion itself.
In July 2012, Lion was removed from the Mac App Store and retail Apple stores following the release of OS X Mountain Lion. Following the removal of Lion from the Mac App Store, customers could still purchase Lion by phone at the reduced price of $20. In October 2013, Lion was returned to the Apple Store website concurrently with Mountain Lion following the release of OS X Mavericks for the convenience of users who cannot run Mavericks on older Mac models.

Hardware support

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 current MacBook Pros before July 20, 2011. Other SSDs have built-in TRIM-like optimization, while yet others require OS patching.

System requirements

  • x86-64 CPU (64-bit Macs, with an Intel Core 2 Duo, Intel Core i5, Intel Core i7, or Xeon processor.)
  • At least 2 GB of memory
  • Mac OS X 10.6.6 or later (Mac OS X 10.6.8 is recommended)
  • 7 GB of available space
  • AirDrop is supported on the following Mac models: MacBook Pro (late 2008 or newer), MacBook Air (late 2010 or newer), MacBook (late 2008 or newer), iMac (early 2009 or newer), Mac Mini (mid-2010 or newer), Mac Pro (early 2009 with AirPort Extreme card and mid-2010 or newer).

Review:

References:

Wikipedia

Youtube



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