comm
COMM(1)                               FSF                              COMM(1)
NAME
       comm - compare two sorted files line by line
SYNOPSIS
       comm [OPTION]... LEFT_FILE RIGHT_FILE
DESCRIPTION
       Compare sorted files LEFT_FILE and RIGHT_FILE line by line.
       -1     suppress lines unique to left file
       -2     suppress lines unique to right file
       -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 <bug-coreutils@gnu.org>.
COPYRIGHT
       Copyright (C) 2002 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  PARTICULAR
       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 comm
       should give you access to the complete manual.
comm (coreutils) 4.5.3           October 2003                          COMM(1)