sum

checksum and count the blocks in a file

TLDR

Compute a checksum with BSD-compatible algorithm and 1024-byte blocks

>_ sum [file]
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Compute a checksum with System V-compatible algorithm and 512-byte blocks

>_ sum --sysv [file]
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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.

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