Section: User Commands (1)
Updated: October 2008
Sommaire  

comm - compare two sorted files line by line  

comm [OPTION]... FILE1 FILE2  

Compare sorted files FILE1 and FILE2 line by line.

With no options, produce three-column output. Column one contains lines unique to FILE1, column two contains lines unique to FILE2, and column three contains lines common to both files.

-1

suppress lines unique to FILE1

-2

suppress lines unique to FILE2

-3

suppress lines that appear in both files

--help

display this help and exit

--version

output version information and exit

Written by Richard Stallman and David MacKenzie.  

Report bugs to <bug-coreutils@gnu.org>.  

Copyright © 2008 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law.  

The full documentation for comm is maintained as a Texinfo manual. If the info and comm programs are properly installed at your site, the command

info comm

should give you access to the complete manual.

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