[root@idb4 data]# top
top - 14:03:25 up 64 days, 20:47, 4 users, load average: 3.79, 4.28, 3.74
Tasks: 610 total, 1 running, 608 sleeping, 0 stopped, 1 zombie
Cpu(s): 17.6%us, 1.2%sy, 0.0%ni, 81.2%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Mem: 65924464k total, 64499740k used, 1424724k free, 13512k buffers
Swap: 131071992k total, 0k used, 131071992k free, 15905380k cached
上面结果看到有1个zombie进程，代表僵尸进程。
[root@idb4 data]# ps -ef | grep defunct | more
gdm 3695 3694 0 Apr01 ? 00:00:00 [gconf-sanity-ch]
root 8971 140945 0 14:02 pts/2 00:00:00 grep defunct
UID PID PPID …
—————————————————————
PPID就是父进程的pid号，本例为3694
可以使用kill -9 6757来杀掉父进程：
[root@idb4 data]# kill -9 3694
然后通过ps -A | grep defunct验证一下效果：
[root@idb4 data]# ps -ef | grep defunct
root 9044 140945 0 14:02 pts/2 00:00:00 grep defunct