How to create an OS X 10.8 Mountain Lion USB install drive

As you probably know, Apple is not going to provide an official USB install disk for Mountain Lion. However, you can still create one using the following simple procedure.

You’ll need a spare 8Gb USB flash disk (they’re dirt cheap starting at $6 on Amazon) or a SD card (SD cards are cheaper, starting at $5 on Amazon, and you use them with your camera later) and the OS X Mountain Lion Install App purchased ($19.99) through the App Store.

First, prepare the medium by launching the Disk Utility and selecting 1 Partition and Mac OS Extended (Journaled) options.

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