.pa 1 .he 'WHO (I)'3/15/72'WHO (I)' .ti 0 NAME who -- who is on the system .sp .ti 0 SYNOPSIS who___ [ who-file ] .sp .ti 0 DESCRIPTION who___, without an argument, lists the name, typewriter channel, and login time for each current UNIX user. Without an argument, who___ examines the /tmp/utmp_________ file to obtain its information. If a file is given, that file is examined. Typically the given file will be /tmp/wtmp_________, which contains a record of all the logins since it was created. Then who___ will list logins, logouts, and crashes since the creation of the wtmp file. Each login is listed with user name, last character of input device name (with /dev/tty________ suppressed), date and time. Certain logouts produce a similar line without a user name. Reboots produce a line with "x" in the place of the device name, and a fossil time indicative of when the system went down. .sp .ti 0 FILES /tmp/utmp .sp .ti 0 SEE ALSO login(I), init(VII) .sp .ti 0 DIAGNOSTICS "?" if a named file cannot be read. .sp .ti 0 BUGS --