linux man page for cksum

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

AUTHOR
       Written by Q. Frank Xia.

REPORTING BUGS
       Report cksum bugs to bug-coreutils@gnu.org
       GNU coreutils home page: <http://www.gnu.org/software/coreutils/>
       General help using GNU software: <http://www.gnu.org/gethelp/>
       Report cksum translation bugs to <http://translationproject.org/team/>

COPYRIGHT
       Copyright (C) 2010 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
       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 coreutils 'cksum invocation'

       should give you access to the complete manual.

GNU coreutils 8.5						   February 2011							  CKSUM(1)