sum
checksum and count the blocks in a file
TLDR
Compute a checksum with BSD-compatible algorithm and 1024-byte blocks
Compute a checksum with System V-compatible algorithm and 512-byte blocks
SYNOPSIS
sum [OPTION]... [FILE]...
DESCRIPTION
Print or check BSD (16-bit) checksums.
With no FILE, or when FILE is -, read standard input.
- -r
-
use BSD sum algorithm (the default), use 1K blocks
- -s, --sysv
-
use System V sum algorithm, use 512 bytes blocks
- --help
-
display this help and exit
- --version
-
output version information and exit
REPORTING BUGS
GNU coreutils online help:
<https://www.gnu.org/software/coreutils/>
Report any translation bugs to
<https://translationproject.org/team/>
COPYRIGHT
Copyright © 2022 Free Software Foundation, Inc. License GPLv3+: GNU
GPL version 3 or later <https://gnu.org/licenses/gpl.html>.
This is free software: you are free to change and redistribute it. There
is NO WARRANTY, to the extent permitted by law.
SEE ALSO
Full documentation <https://www.gnu.org/software/coreutils/sum> or available locally via: info '(coreutils) sum invocation'
AUTHOR
Written by Kayvan Aghaiepour and David MacKenzie.