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Assume I have a computer on which I want to use ubuntu for a while (single boot). Assume also that in about six months I want to give this computer ...
  1. #1
    Just Joined!
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    Nov 2010
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    erase operating system

    Assume I have a computer on which I want to use ubuntu for a while (single boot). Assume also that in about six months I want to give this computer to Mr. X, but I do not want Mr. X to know that I have been using ubuntu. I don't want to install anything over top of ubuntu, I just want the computer to be completely (or as nearly completely as possible) blank so that Mr. X cannot infer what I've been doing on it. The trick here is that I can't use operating system x_{1} to delete operating system x_{0}. I don't want Mr. X to know anything about which OS I have been using. Mr. X, by the way, is a sophisticated computer user but not particularly interested in tracking me down. Once he sees that the computer is blank Mr. X will just install his own operating system and everybody will be happy.

  2. #2
    oz
    oz is offline
    forum.guy
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    Welcome to the forums!

    You can use the "secure erase" feature built into modern hard drives, or go with something like DBAN:

    Darik's Boot And Nuke | Hard Drive Disk Wipe and Data Clearing
    oz

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