Rwho
This shows who is logged in to our shell servers allowing you to locate someone to contact them in real time via facilities like ntalk.
dca ubuntu:pts/3 Sep 27 05:15 :07 jal zorin:pts/0 Sep 27 03:06 2:33 jcp centos7:pts/0 Sep 26 21:24 8:13 mall-net ubuntu:pts/7 Sep 26 10:29 3:37 markjr ubuntu:pts/4 Sep 26 12:24 11:26 nanook radius:pts/0 Sep 20 15:10 99:59 nanook radius:pts/1 Sep 20 18:24 99:59 nanook radius:pts/2 Sep 26 06:11 1:52 nanook radius:pts/3 Sep 27 02:23 1:35 nanook ubuntu:pts/1 Sep 26 06:11 :19 noelt ubuntu:pts/0 Sep 27 04:06 1:37 scs debian:pts/0 Sep 27 03:38 :03 seldon mint:pts/0 Sep 26 06:14 2:19 seldon mint:pts/1 Sep 26 06:14 21:39 seldon mint:pts/2 Sep 26 06:14 3:17 seldon mint:pts/3 Sep 26 06:14 2:34 seldon mint:pts/4 Sep 26 06:14 2:21 seldon mint:pts/5 Sep 26 06:14 2:19 stosh debian:pts/1 Sep 26 08:14 7:32 stosh ubuntu:pts/2 Sep 26 06:27 19:34