Reference

uu-sum(1)

Checksum and count the blocks in a file. With no FILE, or when FILE is -, read standard input.

NAME

sum - Checksum and count the blocks in a file.

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

SYNOPSIS

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

DESCRIPTION

Checksum and count the blocks in a file.

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

OPTIONS

-r

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

-s, --sysv

use System V sum algorithm, use 512 bytes blocks

-h, --help

Print help

-V, --version

Print version

VERSION

v(uutils coreutils) 0.12.0