CKSUM - reference manual online
Checksum and count the bytes in a file.
CKSUM(1) User Commands CKSUM(1)
NAME cksum - checksum and count the bytes in a file SYNOPSIS cksum [FILE]... cksum [OPTION] DESCRIPTION Print CRC checksum and byte counts of each FILE. --help display this help and exit --version output version information and exit REPORTING BUGS GNU coreutils online help: <http://www.gnu.org/software/coreutils/> Report cksum translation bugs to <http://translationproject.org/team/> COPYRIGHT Copyright © 2016 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 permitted by law. SEE ALSO Full documentation at: <http://www.gnu.org/software/coreutils/cksum> or available locally via: info '(coreutils) cksum invocation'GNU coreutils 8.25 February 2017 CKSUM(1)