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 checksum and block counts for each FILE.
With no FILE, or when FILE is -, read standard input.
-r use BSD sum algorithm, 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 2019 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 sum invocation
AUTHOR
Written by Kayvan Aghaiepour and David MacKenzie.
