comm – compare two sorted files line by line

USAGE
       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 .

COPYRIGHT
       Copyright © 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.