Man page - sum(1)

Packages contains this manual

Package:  coreutils
apt-get install coreutils

Manuals in package:
• nohup(1)
• expand(1)
• base32(1)
• stdbuf(1)
• env(1)
• chgrp(1)
• sha1sum(1)
• printenv(1)
• arch(1)
• whoami(1)
• sha384sum(1)
• sha224sum(1)
• nl(1)
• unlink(1)
• mv(1)
• comm(1)
• basenc(1)
• timeout(1)
• link(1)
• sync(1)
• paste(1)
• true(1)
• cut(1)
• sleep(1)
• uname(1)
• nproc(1)
• tty(1)
• seq(1)
• wc(1)
• tail(1)
• shred(1)
• split(1)
• unexpand(1)
• false(1)
• realpath(1)
• date(1)
• pr(1)
• expr(1)
• rmdir(1)
• tr(1)
• stat(1)
• numfmt(1)
• stty(1)
• sha512sum(1)
• hostid(1)
• [(1)
• ls(1)
• chcon(1)
• df(1)
• runcon(1)
• od(1)
• ln(1)
• ptx(1)
• echo(1)
• vdir(1)
• touch(1)
• chown(1)
• users(1)
• chroot(8)
• truncate(1)
• dircolors(1)
• printf(1)
• pwd(1)
• fmt(1)
• groups(1)
• sort(1)
• b2sum(1)
• cksum(1)
• join(1)
• dirname(1)
• readlink(1)
• tsort(1)
• id(1)
• mktemp(1)
• base64(1)
• csplit(1)
• sha256sum(1)
• tac(1)
• shuf(1)
• sum(1)
• fold(1)
• who(1)
• test(1)
• mkdir(1)
• mkfifo(1)
• pathchk(1)
• cat(1)
• tee(1)
• md5sum(1)
• cp(1)
• basename(1)
• rm(1)
• yes(1)
• dd(1)
• install(1)
• factor(1)
• dir(1)
• uniq(1)
• du(1)
• logname(1)
• chmod(1)
• pinky(1)
• nice(1)
• mknod(1)
• head(1)
Documentations in package:
• coreutils

Available languages:

en fr es pl vi nb nl da tr hu sv ja uk ro zh_TW sr zh_CN de

Manual

SUM

NAME
SYNOPSIS
DESCRIPTION
AUTHOR
REPORTING BUGS
SEE ALSO

---

NAME

sum - checksum and count the blocks in a file

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

AUTHOR

Written by Kayvan Aghaiepour and David MacKenzie.

REPORTING BUGS

GNU coreutils online help: <https://www.gnu.org/software/coreutils/>
Report any translation bugs to <https://translationproject.org/team/>

SEE ALSO

Full documentation <https://www.gnu.org/software/coreutils/sum>
or available locally via: info '(coreutils) sum invocation'

Packaged by Debian (9.7-3)
Copyright © 2025 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.

---