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/2 May 3 17:10 1:32 bressler ubuntu:pts/1 May 1 17:14 51:00 dca scientific7:pts/1 May 3 19:34 :12 dld debian:pts/2 May 3 19:40 :34 dld debian:pts/3 May 3 19:41 :07 jal zorin:pts/4 May 2 13:19 30:57 mall-net centos7:pts/1 Apr 28 21:22 1:39 nanook radius:pts/0 May 3 00:46 15:43 nanook ubuntu:pts/0 May 3 00:46 1:49 seldon debian:pts/0 Apr 7 03:41 2:18 seldon scientific7:pts/0 May 2 04:57 2:19 seldon zorin:pts/0 May 2 04:57 2:18 seldon zorin:pts/1 May 2 04:58 5:41 seldon zorin:pts/2 May 2 04:58 2:18 seldon zorin:pts/3 May 2 04:58 2:18 seldon zorin:pts/5 May 2 04:58 21:24 seldon zorin:pts/6 May 2 04:58 99:59 stosh debian:pts/1 Apr 7 06:39 8:39 stosh debian:pts/9 Apr 10 08:02 5:40 ws ubuntu:pts/4 May 3 15:43 4:30