Setting an external drive as write protected?

Discussion in 'OS X Mountain Lion (10.8)' started by whitedragon101, Oct 9, 2012.

  1. whitedragon101 macrumors 65816

    Sep 11, 2008
    I have an external drive (usb 4TB HFS+) I want to use without risk of anything being able to delete or modify its contents . Including the user trying to move, rename or delete files.

    Any idea how I would do this?

    Have tried this
    Right clicking on the drive and setting the permissions under 'Get Info' to 'Read only'. However this only restricts access to the root folder. I can still open up any folder on the drive and delete away.
  2. elistan macrumors 6502a

    Jun 30, 2007
    Denver/Boulder, CO

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