Name:    who
Version: 1.0 (October 1997)
Shell:   GNO
Author:  Derek Taubert (from FreeBSD 2.1.0 code)
Contact: taubert@geeks.org
Where:   /usr/bin
FTP:     ground.isca.uiowa.edu apple2.caltech.edu trenco.myrias.com

 Display users on the system.