COMM(1) COMM(1) (NAME) comm - (SYNOPSIS) comm []... (DESCRIPTION) . - . : . -1 ( ) -2 ( ) -3 ( ) --check-order --nocheck-order --output-delimiter=STR STR --total -z, --zero-terminated (NUL) --help --version (SEE ALSO) join(1), uniq(1) GNU coreutils 9.11 July 2026 COMM(1)