In an excerpt from his new book “Master Your Mac,” Macinstruct’s Matt Cone says:
Its a good idea to have a bootable emergency drive on hand, just in case disaster strikes your Mac. An emergency drive (also referred to as an OS X Recovery Disk) can help you repair the hard disk, reinstall the operating system, and restore from a Time Machine backup to get your computer back fast.
With previous versions of OS X, you could have used the installation DVD to fix problems. But OS X Mountain Lion is sold in the App Store as a digital download no physical disk is provided. Whats a maintenance-minded Mac user to do?
Create your own bootable OS X USB drive, of course! Its easy, and if youve already purchased OS X and have a USB drive thats 1 GB or larger, its completely free. Carry it in your pocket or put it on your keychain so its available if the worst-case scenario occurs. Youll thank yourself for taking the time to complete this project.
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For my recent ‘Book Mystique Review of Master Your Mac, see: