COMM(1) COMM(1) comm - compare two sorted files line by line comm []... 1 2 1 2 . 1 2 - ( ), . , . 1, 2, . -1 1 ( 1) -2 2 ( 2) -3 3 ( ) --check-order , --nocheck-order --output-delimiter= --total -z, --zero-terminated , --help --version Comparisons honor the rules specified by 'LC_COLLATE'. comm -12 1 2 1 2. comm -3 1 2 1 2, . . . : bug-coreutils@gnu.org coreutils : : Copyright (C) 2026 Free Software Foundation, Inc. 3+: 3 . : . , . join(1), uniq(1) ,,info '(coreutils) comm invocation'" ; 3 . . , - TODO <>. coreutils 9.11 2026 COMM(1)