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sum - Man Page

checksum and count the blocks in a file

Examples (TL;DR)


sum [OPTION]... [FILE]...


Print or check BSD (16-bit) checksums.

With no FILE, or when FILE is -, read standard input.


use BSD sum algorithm (the default), use 1K blocks

-s, ā€‰--sysv

use System V sum algorithm, use 512 bytes blocks


display this help and exit


output version information and exit


Written by Kayvan Aghaiepour and David MacKenzie.

Reporting Bugs

GNU coreutils online help: <https://www.gnu.org/software/coreutils/>
Report any translation bugs to <https://translationproject.org/team/>

See Also

Full documentation <https://www.gnu.org/software/coreutils/sum>
or available locally via: info '(coreutils) sum invocation'

Referenced By

pmdashping(1), pmlogmv(1), sum(n).

April 2024 GNU coreutils 9.5