Do you have a bootable installer of the OS on a USB drive?

Discussion in 'MacBook Air' started by HarryWarden, Nov 26, 2012.

  1. macrumors 6502a

    Oct 27, 2012
    Is it recommended to make one? If so, how large of a thumb drive is required?
  2. macrumors 601

    Aug 27, 2012
    IMO, absolutely good thing to do.

    Clean OS: 8 GIG.
  3. macrumors regular

    Mar 14, 2011
    No, I don't. I do have one on an SDXC card, though. ;)
  4. thread starter macrumors 6502a

    Oct 27, 2012
    Will the Recovery Disk Assistant program allow for the same thing or does it only work with the current OS running (i.e. if I upgrade to ML, it'll only work with ML)?

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