COMM(1)				User Commands			      COMM(1)



NAME
       comm - compare two sorted files line by line

SYNOPSIS
       comm [OPTION]... FILE1 FILE2

DESCRIPTION
       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

AUTHOR
       Written by Richard Stallman and David MacKenzie.

REPORTING BUGS
       Report bugs to .

COPYRIGHT
       Copyright (C) 2004 Free Software Foundation, Inc.
       This  is	 free software; see the source for copying conditions.	There
       is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICU-
       LAR PURPOSE.

SEE ALSO
       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 coreutils comm

       should give you access to the complete manual.



comm (coreutils) 5.2.1		 August 2006			      COMM(1)

UNIX/Linux commands referenced on this page:

1. compare
2. column
3. display
4. free
5. as
6. info
7. at