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       unique - removes duplicates from a wordlist


       unique output-file


       This manual page documents briefly the unique command, which is part of
       the john  package.   This  manual  page  was  written  for  the  Debian
       GNU/Linux  distribution  because  the  original program does not have a
       manual page.  john, better known as John the Ripper, is a tool to  find
       weak passwords of users in a server.
       The  unique  tool  finds  and removes duplicate entries from a wordlist
       (read from stdin), without changing the order.  This  is  important  to
       increase the performance of john when using the wordlist method.


       john(8), mailer(8), unafs(8), unshadow(8).

       The programs are documented fully by John’s documentation, which should
       be available in /usr/share/doc/john or  other  location,  depending  on
       your system.


       This  manual  page was written by Jordi Mallach <>, for
       the Debian GNU/Linux system (but may be used by others).
       John  the  Ripper  and  mailer   were   written   by   Solar   Designer
       <>. The complete list of contributors can be found in
       the CREDITS file in the documentation directory.