Manual: rust-sum
SUM(1) General Commands Manual SUM(1)
NAME
sum - Checksum and count the blocks in a file.
With no FILE, or when FILE is -, read standard input.
SYNOPSIS
sum [-r ] [-s|--sysv] [-h|--help] [-V|--version] [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) 0.8.0
2026-04-16 SUM(1)