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.icaen.uiowa.edu apple2.caltech.edu ftp.gno.org
Display users on the system.