Name:    sum
Version: 2.0 (December 1997)
Shell:   GNO
Author:  Dave Tribby (from FreeBSD code)
Contact: tribby@cup.hp.com
Where:   /usr/bin
FTP:     ground.isca.uiowa.edu apple2.caltech.edu trenco.myrias.com

 Display file checksums and block counts (same as cksum)