(1)查询当前登录用户[root@firewall ~]# fingerLogin Name Tty Idle Login Time Office Office Phoneroot 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/0root 3140 2070 0 23:19 ? 00:00:00 sshd: root@pts/0root 3142 3140 0 23:19 pts/0 00:00:00 -bashroot 3195 3142 0 23:24 pts/0 00:00:00 ps -efroot 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