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 [-r ] [-s|--sysv] [-h|--help] [-V|--version] [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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Print version

v0.0.24

sum 0.0.24