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sum(1)

sum - Checksum and count the blocks in a file.

SUM(1) General Commands Manual SUM(1)

sum - Checksum and count the blocks in a file.

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

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

Checksum and count the blocks in a file.

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

use the BSD sum algorithm, use 1K blocks (default)
use System V sum algorithm, use 512 bytes blocks
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v(uutils coreutils) 0.12.0

2026-10-29

uutils 0.12.0-r5 · os · ingested 2026-10-30