.TH who@ 1
.SH NAME
who@ \- prints the list of active users on a remote host.
.SH SYNOPSIS
.B who@
[
.I host
]
.SH DESCRIPTION
.B who@
connects to TCP port 11 (Systat) on
.I host
and prints any data it receives. It removes CR (\\015) and converts unprintable
characters to a visible format. 

If
.I host
is not supplied,
.B who@
connects to the local host. 

Some computers respond to port 11 with a list of active users. For example,
they may be running 
.IP
tcpserver -RHl0 0 11 who
.P
using tcpserver.
.SH SEE ALSO
tcpserver(1),
tcprules(1),
tcprulescheck(1),
argv0(1),
fixcrio(1),
recordio(1),
rblsmtpd(1),
tcpclient(1),
date@(1),
finger@(1),
http@(1),
tcpcat(1),
mconnect(1),
tcp-environ(5)

http://cr.yp.to/ucspi-tcp.html