COMM

comm − compare two sorted files line by line

comm [OPTION]... LEFT_FILE RIGHT_FILE

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 unique to 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-textutils@gnu.org>.

Copyright © 1999 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.

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.