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.
bbrace ubuntu:pts/4 Apr 24 06:26 6:24 bressler ubuntu:pts/3 Apr 24 00:05 16:57 dld debian:pts/5 Apr 24 15:58 dld debian:pts/6 Apr 24 16:00 dld ubuntu:pts/2 Apr 23 17:08 24:11 ethauvin ubuntu:pts/5 Apr 12 12:16 99:59 ethauvin ubuntu:pts/6 Apr 24 16:57 75:26 jcp centos7:pts/0 Apr 24 15:20 :58 mall-net centos7:pts/2 Apr 23 17:59 23:13 mall-net centos7:pts/3 Apr 14 17:36 :56 markjr ubuntu:pts/1 Apr 21 11:07 21:27 milan centos7:pts/4 Apr 24 16:28 :17 nanook radius:pts/0 Apr 9 21:27 :28 nanook radius:pts/1 Apr 15 01:23 :26 nanook ubuntu:pts/0 Apr 18 04:25 :03 noelt debian:pts/4 Apr 24 03:39 7:19 seldon debian:pts/0 Apr 7 03:41 3:25 seldon scientific7:pts/0 Apr 21 03:37 3:26 seldon zorin:pts/0 Apr 21 03:37 3:26 seldon zorin:pts/1 Apr 21 03:37 54:13 seldon zorin:pts/2 Apr 21 03:37 31:14 seldon zorin:pts/3 Apr 21 03:37 3:26 seldon zorin:pts/5 Apr 21 03:37 4:41 seldon zorin:pts/6 Apr 21 03:37 99:59 stosh debian:pts/1 Apr 7 06:39 4:13 stosh debian:pts/9 Apr 10 08:02 2:13 xyzzx debian:pts/10 Apr 11 13:28 70:53