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.
bressler ubuntu:pts/4 Apr 14 03:27 27:23 dca ubuntu:pts/3 Apr 23 20:11 dld debian:pts/5 Apr 23 20:03 :08 dld debian:pts/6 Apr 23 20:04 :08 dld ubuntu:pts/2 Apr 23 17:08 3:05 ethauvin ubuntu:pts/5 Apr 12 12:16 99:59 ethauvin ubuntu:pts/6 Apr 23 16:24 54:20 jcp centos7:pts/0 Apr 23 14:19 2:16 mall-net centos7:pts/2 Apr 23 17:59 2:10 mall-net centos7:pts/3 Apr 14 17:36 1:01 markjr ubuntu:pts/1 Apr 21 11:07 :21 nanook radius:pts/0 Apr 9 21:27 15:30 nanook radius:pts/1 Apr 15 01:23 15:14 nanook ubuntu:pts/0 Apr 18 04:25 1:22 noelt debian:pts/4 Apr 23 05:03 :02 seldon debian:pts/0 Apr 7 03:41 18:48 seldon scientific7:pts/0 Apr 21 03:37 9:50 seldon zorin:pts/0 Apr 21 03:37 9:49 seldon zorin:pts/1 Apr 21 03:37 33:07 seldon zorin:pts/2 Apr 21 03:37 10:08 seldon zorin:pts/3 Apr 21 03:37 18:48 seldon zorin:pts/5 Apr 21 03:37 9:49 seldon zorin:pts/6 Apr 21 03:37 99:59 stosh debian:pts/1 Apr 7 06:39 22:33 stosh debian:pts/9 Apr 10 08:02 1:04 xyzzx debian:pts/10 Apr 11 13:28 49:47