sum - Unix, Linux Command
sum - checksum and count the blocks in a file
Print checksum and block counts for each FILE.
defeat -s, use BSD sum algorithm, use 1K blocks
use System V sum algorithm, use 512 bytes blocks
display this help and exit
output version information and exit
With no FILE, or when FILE is -, read standard input.
Written by Kayvan Aghaiepour and David MacKenzie.
Report bugs to <email@example.com
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.
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