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/0 May 18 02:18 14:45 dca scientific7:pts/1 May 18 15:04 :09 ethauvin ubuntu:pts/6 May 16 10:32 54:32 ethauvin ubuntu:pts/8 May 18 10:48 20:28 jal zorin:pts/8 May 16 11:45 53:18 mall-net centos7:pts/0 May 17 17:12 2:46 mall-net centos7:pts/2 May 13 21:52 :48 markjr ubuntu:pts/4 May 17 15:36 8:46 nanook radius:pts/0 May 14 02:33 22:47 nanook radius:pts/1 May 16 17:28 47:36 nanook ubuntu:pts/1 May 15 01:59 :01 seldon debian:pts/0 May 15 00:21 4:10 seldon scientific7:pts/0 May 2 04:57 4:09 seldon zorin:pts/0 May 2 04:57 4:09 seldon zorin:pts/1 May 2 04:58 30:54 seldon zorin:pts/2 May 2 04:58 29:40 seldon zorin:pts/3 May 2 04:58 4:09 seldon zorin:pts/5 May 2 04:58 27:15 seldon zorin:pts/6 May 2 04:58 99:59 stosh debian:pts/2 May 15 08:03 2:01 stosh debian:pts/3 May 15 08:04 :24 xyzzx debian:pts/4 May 18 13:27 3:38