SUM(1) SUM(1) sum -- sum []... []... 16- BSD. -, . -r BSD ( ), 1K -s, --sysv System V , 512 --help --version Kayvan Aghaiepour (David MacKenzie). - GNU coreutils: Copyright (C) 2024 Free Software Foundation, Inc. GPLv3+: GNU GPL 3 . : . , . , info '(coreutils) sum invocation' () ; GNU (GNU General Public License - GPL, 3 ) , - . - , , () () () <>. GNU coreutils 9.5 2024 . SUM(1)