$ w //顯示當前登陸用戶

13:15:06 up 1:25, 2 users, load average: 0.01, 0.01, 0.00

USER TTY FROM LOGIN@ IDLE JCPU PCPU WHAT

jjony pts/0 xxx.xxx.xxx.xxx 00:10 0.00s 0.03s 0.01s w

root pts/1 xxx.xxx.xxx.xxx 00:20 1:25 0.34s 0.34s -bash

pkill -KILL -t pts/0 可將jjony強制踢出