1COMM(1)                          User Commands                         COMM(1)
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NAME

6       comm - compare two sorted files line by line
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SYNOPSIS

9       comm [OPTION]... FILE1 FILE2
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DESCRIPTION

12       Compare sorted files FILE1 and FILE2 line by line.
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14       With  no  options,  produce  three-column  output.  Column one contains
15       lines unique to FILE1, column two contains lines unique to  FILE2,  and
16       column three contains lines common to both files.
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18       -1     suppress lines unique to FILE1
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20       -2     suppress lines unique to FILE2
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22       -3     suppress lines that appear in both files
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24       --help display this help and exit
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26       --version
27              output version information and exit
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AUTHOR

30       Written by Richard Stallman and David MacKenzie.
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REPORTING BUGS

33       Report bugs to <bug-coreutils@gnu.org>.
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36       Copyright © 2007 Free Software Foundation, Inc.
37       This  is  free  software.   You may redistribute copies of it under the
38       terms      of      the      GNU      General       Public       License
39       <http://www.gnu.org/licenses/gpl.html>.   There  is NO WARRANTY, to the
40       extent permitted by law.
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SEE ALSO

43       The full documentation for comm is maintained as a Texinfo manual.   If
44       the  info  and  comm  programs are properly installed at your site, the
45       command
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47              info comm
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49       should give you access to the complete manual.
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53GNU coreutils 6.9                 March 2008                           COMM(1)
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