NTFSWIPE(8)                (June 2014)                NTFSWIPE(8)

     NAME
          ntfswipe - overwrite unused space on an NTFS volume

     SYNOPSIS
          ntfswipe [options] device

     DESCRIPTION
          ntfswipe clears all or part of unused space on an NTFS vol-
          ume by overwriting with zeroes or random bytes.

     OPTIONS
          Below is a summary of all the options that ntfswipe accepts.
          Nearly all options have two equivalent names.  The short
          name is preceded by - and the long name is preceded by --.
          Any single letter options, that don't take an argument, can
          be combined into a single command, e.g.  -fv is equivalent
          to -f -v.  Long named options can be abbreviated to any
          unique prefix of their name.

          -a, --all
               Wipe all unused space. This may take significant time.
               If the option --unused-fast (or -U) is also present,
               the faster wiping method is used.

          -b, --bytes BYTE-LIST
               Define the allowed replacement bytes which are drawn
               randomly to overwrite the unused space. BYTE-LIST is a
               comma-separated list of values in range 0-255 expressed
               in octal, decimal or hexadecimal base.

          -c, --count NUM
               Define the number of times the unused space is to be
               overwritten. If both options --bytes and --count are
               set, the space is repeatedly overwritten this number of
               times by each of the values in the list.

          -d, --directory
               Wipe all the directory indexes, which may contain names
               of deleted files.

          -f, --force
               This will override some sensible defaults, such as not
               using a mounted volume.  Use this option with caution.

          -h, --help
               Show a list of options with a brief description of each
               one.

          -i, --info
               Display details about unused space, without wiping

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               anything.

          -l, --logfile
               Overwrite the logfile (update journal).

          -m, --mft
               Overwrite the unused space in the MFT (main file table,
               which contains the file names, and the contents of
               short files).

          -n, --no-action
               Executes the wiping process without writing to device.

          -p, --pagefile
               Overwrite the Windows swap space.

          -q, --quiet
               Suppress some debug/warning/error messages.

          -s, --undel
               Overwrite the space which had been allocated to a file
               which has been deleted recently and is still
               undeletable. This option is not compatible with --bytes
               and the replacement bytes are random ones or taken from
               a standard list.

          -t, --tails
               Overwrite the space at the end of files which is
               unused, but allocated because the allocations are
               always done by full clusters.

          -u, --unused
               Overwrite the space which is currently not allocated to
               any file (but may have been used in the past).

          -U, --unused-fast
               Overwrite the space which is currently not allocated to
               any file, trying not to overwrite the space not written
               to since the previous wiping.

          -v, --verbose
               Display more debug/warning/error messages. This option
               may be used twice to display even more messages.

          -V, --version
               Show the version number, copyright and license of
               ntfswipe.

     EXAMPLES
          Wipe out all unused space in an NTFS volume.

               ntfswipe -a /dev/sda1

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          Wipe out all deleted file names from an NTFS volume.

               ntfswipe -dms /dev/sda1

     BUGS
          There are no known problems with ntfswipe.  If you find a
          bug please send an email describing the problem to the
          development team:
          ntfs-3g-devel@lists.sf.net

     AUTHORS
          ntfswipe was written by Richard Russon, Anton Altaparmakov
          and Yura Pakhuchiy.  It was ported to ntfs-3g by Erik Lars-
          son.

     AVAILABILITY
          ntfswipe is part of the ntfs-3g package and is available
          from:
          http://www.tuxera.com/community/

     SEE ALSO
          ntfs-3g(8), ntfsls(8), ntfsprogs(8)

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