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

AUTHOR 

Written by Q. Frank Xia.

REPORTING BUGS 

Report bugs to <bug-coreutils@gnu.org>.

COPYRIGHT 

Copyright © 2006 Free Software Foundation, Inc. This is free software. You may redistribute copies of it under the terms of the GNU General Public License <http://www.gnu.org/licenses/gpl.html>. There is NO WARRANTY, to the extent permitted by law.

SEE ALSO 

The full documentation for cksum is maintained as a Texinfo manual. If the info and cksum programs are properly installed at your site, the command
info cksum

should give you access to the complete manual.