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/1 May 1 17:14 32:54 jal zorin:pts/4 May 2 13:19 12:51 jcp centos7:pts/2 May 2 11:35 8:08 mall-net centos7:pts/1 Apr 28 21:22 2:17 markjr ubuntu:pts/2 May 2 14:27 9:14 nanook radius:pts/0 May 3 00:46 1:23 nanook ubuntu:pts/0 May 3 00:46 1:22 noelt debian:pts/3 May 2 06:25 5:11 seldon debian:pts/0 Apr 7 03:41 4:40 seldon scientific7:pts/0 May 2 04:57 3:18 seldon zorin:pts/0 May 2 04:57 3:18 seldon zorin:pts/1 May 2 04:58 99:59 seldon zorin:pts/2 May 2 04:58 99:59 seldon zorin:pts/3 May 2 04:58 4:41 seldon zorin:pts/5 May 2 04:58 3:18 seldon zorin:pts/6 May 2 04:58 99:59 stosh debian:pts/1 Apr 7 06:39 30:19 stosh debian:pts/9 Apr 10 08:02 2:55