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Mac OS X 10.8 Mountain Lion

mountainlion

Information on Mountain Lion

Mountain Lion is Apple's next major release of OS X. It arrives July 2012 with all new features designed with innovations from the iPad. Mountain Lion offers the following features:

  • Messages - capability to send unlimited messages from Mac to iPhone, iPad, iPod Touch, or Mac
  • Notification Center - centralized mail, messages, reminders, alerts, and more all in one place
  • iCloud - deeper integration of iCloud with automatic synchronization
  • Share Sheets - ability to send links, photos, videos and more from many apps including, Safari, Photo Booth, Notes, Reminders, and iPhoto
  • Gatekeeper - an anti-malware feature
  • Reminders, Notes, and Game Center all borrowed from iOS
  • Multi-Touch - Use your fingers to tap, scroll, pinch, and swipe your way around the Mac

The following previous Mac OS X features will be discontinued in OS X Mountain Lion:
  • MobileMe - Replaced by iCloud
  • iChat - Replaced by Messages and FaceTime
  • Software Update - Unified into the Mac App Store
  • X11.app - Users are directed to the open source XQuartz project instead
  • RSS support in Mail and Safari
  • iSync
  • Front Row

More features can be found on Apple's website

Mountain Lion Requirements

As of Developer View 1, Mountain Lion supports some of the same hardware as Lion:

  • A Mac computer with an Intel Core 2 Duo, Core i3, i5, i7, or Xeon processor
  • OS X v10.6.8 or later
  • At least 8GB of free hard drive space
  • 2GB RAM (we strongly recommend using 4GB of RAM)
  • Some features require an Apple ID; terms apply
  • Some features require a compatible Internet service provider; fees may apply

How to Upgrade

Step 1: Make sure your Mac can run Mountain Lion

Your Mac must be one of the following models:

  • iMac (Mid 2007 or newer)
  • MacBook (Late 2008 Aluminum, or Early 2009 or newer)
  • MacBook Pro (Mid/Late 2007 or newer)
  • MacBook Air (Late 2008 or newer)
  • Mac mini (Early 2009 or newer)
  • Mac Pro (Early 2008 or newer)
  • Xserve (Early 2009)

Step 2: Make sure you have Lion or the latest version of Snow Leopard

If you are running Lion (10.7.x), you’re ready to update to Mountain Lion. Go to Step 3. If you are running Snow Leopard (10.6.x), update to the latest version of OS X Snow Leopard before you purchase OS X Mountain Lion from the Mac App Store. Click the Apple icon and choose Software Update to install Snow Leopard v10.6.8, the latest version.


Step 3: Download OSX Mountain Lion from the Mac App Store when it’s available in July

Open the Mac App Store from your Dock to buy and download Mountain Lion. Then follow the onscreen instructions to install it.

Frequently Asked Questions

Can I run Mountain Lion on a PowerPC Mac (e.g., PowerBook, iBook)?

No, Lion can only run on Intel chips with at least a Core 2 Duo. If you are using a white/black MacBook or the aluminum MacBook/MacBook Pro, you can install Mountain Lion, given you have at least 2 GB of RAM. It would be recommended to have at least 4 GB of RAM, however.

Is there anything I should do before installing OS X Mountain Lion?

Always backup your hard drive before you install software on your computer. We suggest that you also do the following to ensure the operating system installs correctly:

  • Updating any software on your computer by going to the software's website
  • Update your current operating system by using Software Update
  • Connect your computer to your power adapter


Telephone: (858) 534-2267
E-mail: resnet@ucsd.edu
Location: Applied Physics and Mathematics 1313
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