Linux "sum" Command Line Options and Examples

checksum and count the blocks in a file

Print checksum and block counts for each FILE. With no FILE, or when FILE is -, read standard input.

Usage:

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

Command Line Options:

-s

use System V sum algorithm, use 512 bytes blocks


                            sum -s ...

--help

display this help and exit


                            sum --help ...

--version

output version information and exitAUTHORWritten by Kayvan Aghaiepour and David MacKenzie.REPORTING BUGSGNU coreutils online help: <http://www.gnu.org/software/coreutils/>Report sum translation bugs to <http://translationproject.org/team/>COPYRIGHTCopyright © 2017 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later<http://gnu.org/licenses/gpl.html>.This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent per‐mitted by law.


                            sum --version ...