1. top 로 프로세스 현황을 보면 좀비 프로세스가 있는 경우가 있다두번째 줄 마지막에 2zombie [root@secure ~]# top -d 1top - 09:36:49 up 240 days, 22:16, 2 users, load average: 0.10, 0.15, 0.18Tasks: 366 total, 2 running, 362 sleeping, 0 stopped, 2 zombieCpu(s): 1.6%us, 3.2%sy, 0.0%ni, 95.2%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%stMem: 16399032k total, 15599628k used, 799404k free, 547544k buffersSwap: 33551744k total, 256k used, 3355148..