.TH WHO 1 ubase-VERSION .SH NAME \fBwho\fR - print who has logged on .SH SYNOPSIS \fBwho\fR [\fB-m\fR] .SH DESCRIPTION \fBwho\fR prints a list of who has logged on, their controlling tty, and the time at which they logged on. .SH OPTIONS .TP \fB-m\fR only show users on current tty .TP \fB-l\fR also print LOGIN processes .SH BUGS \fBwho\fR relies on the utmp file to be updated responsibly. This doesn't always happen, which can cause who to print completely bogus data. utmp(5)