1.列出当前用户
[root@localhost ~]# w
09:11:36 up 81 days, 13:12, 2 users, load average: 0.30, 0.40, 0.20
USER TTY FROM LOGIN@ IDLE JCPU PCPU WHAT
root pts/1 192.168.1.191 08:05 0.00s 0.07s 0.00s w
kaifa pts/2 192.168.1.191 09:07 3.00s 0.03s 0.02s vim kaifa.sh
2.结束kaifa的所有进程(踢出其登陆)
[root@localhost ~]# pkill -u kaifa