Il comando w mostra gli utenti collegati e cosa stanno facendo

murri@drake:~ > w
  5:21pm  up  1:23,  6 users,  load average: 0.15, 0.05, 0.01
USER   TTY   FROM              LOGIN@   IDLE   JCPU   PCPU  WHAT
steffe tty1                    4:19pm  1:01m 38.56s  0.03s  startx
steffe ttyp0 :0.0              4:19pm 28:01m  0.05s  0.05s  bash
steffe ttyp2 :0.0              4:19pm 27:33   1.44s  0.07s  bash -login
steffe ttyp3 :0.0              4:36pm 42:51   0.05s  0.05s  ssh godzilla
murri  ttyp1 donaldduck.sns.i  5:20pm  0.00s  0.09s  0.02s  w