at the $ prompt type 'w' without the ' '
Code:
[ray@ray backup]$ w
15:25:02 up 49 days, 7 min, 5 users, load average: 1.55, 1.33, 1.26
USER TTY FROM LOGIN@ IDLE JCPU PCPU WHAT
ray :0 :0 30May12 ?xdm? 33:01m 0.73s gdm-session-worker [pam/gdm-password]
ray pts/0 :0 30May12 49days 18days 18days ./FahCore_a4.exe -dir work/ -suffix 04 -c
ray pts/1 :0 30May12 27:00m 0.68s 0.68s bash
ray pts/2 :0 03Jul12 1.00s 0.17s 0.00s w
ray pts/3 :0 13Jun12 46:26m 0.15s 0.15s bash
see user
