1.查询当前登录用户
[root@firewall ~]# finger
Login Name Tty Idle Login Time Office Office Phone
root root pts/0 May 4 23:19 (172.16.7.29)
2.查询某个登录用户的所有进程
[root@firewall ~]# ps -ef | grep pts/0
root 3140 2070 0 23:19 ? 00:00:00 sshd:
root@pts/0root 3142 3140 0 23:19 pts/0 00:00:00 -bash
root 3195 3142 0 23:24 pts/0 00:00:00 ps -ef
root 3196 3142 0 23:24 pts/0 00:00:00 grep pts/0
3.干掉登录用户Shell 进程
kill -9 3142