using disk utility

Discussion in 'MacBook' started by gharvell, Jun 19, 2012.

  1. gharvell macrumors member

    Joined:
    Oct 18, 2011
    #1
    Does using disk utility, erase free space; really erase information that cannot be retrieve by using special software...
     
  2. charlieegan3 macrumors 68020

    charlieegan3

    Joined:
    Feb 16, 2012
    Location:
    U.K
    #3
    it depends on the number of passes and the algorithm you use.
     
  3. gharvell thread starter macrumors member

    Joined:
    Oct 18, 2011
    #4
    please expain...
     
  4. charlieegan3 macrumors 68020

    charlieegan3

    Joined:
    Feb 16, 2012
    Location:
    U.K
    #5
    i meant this but its only for cleaning a whole disk, i think

    go with simsaladimbamba's answer
     

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