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/1 Sep 22 09:15 1:45 dld ubuntu:pts/3 Sep 22 10:32 :34 eresrch ubuntu:pts/2 Sep 22 10:28 mall-net ubuntu:pts/4 Sep 21 19:42 14:08 mall-net ubuntu:pts/5 Sep 21 13:20 18:58 milan centos7:pts/1 Sep 22 06:45 :29 nanook radius:pts/0 Sep 20 15:10 43:32 nanook radius:pts/1 Sep 20 18:24 39:36 nanook radius:pts/2 Sep 22 06:31 4:36 nanook ubuntu:pts/0 Sep 22 06:31 4:35 seldon debian:pts/0 Sep 22 10:28 :33 seldon mint:pts/0 Sep 22 00:11 :33 seldon mint:pts/1 Sep 22 00:16 10:50 seldon mint:pts/2 Sep 22 00:16 :33 seldon mint:pts/3 Sep 22 00:16 :33 seldon mint:pts/4 Sep 22 00:17 9:19 seldon mint:pts/5 Sep 22 00:18 10:48