alan@homeserver:~$ w
 11:37:12 up 29 days,  3:01,  7 users,  load average: 0.07, 0.20, 0.18
USER     TTY      FROM             LOGIN@   IDLE   JCPU   PCPU WHAT
alan     pts/0    192.168.1.95     10:27    0.00s  0.23s  0.05s  attach -t 1
alan     pts/1    tmux(2378).%3    06Jul16 26days  0.38s  0.38s /bin/bash
alan     pts/2    tmux(2378).%1    04Jul16 24.00s  1:17m  1:17m irssi
alan     pts/3    tmux(2378).%8    07Jul16 26days  0.14s  0.14s /bin/bash
alan     pts/4    tmux(2378).%21   Fri15    3days  0.11s  0.11s /bin/bash
alan     pts/5    tmux(2378).%22   Mon22   11:50m  0.38s  0.38s /bin/bash
alan     pts/6    tmux(2378).%24   11:37    0.00s  0.12s  0.00s w