Despite its untimely exit, the child process is still in the process table as a defunct process, otherwise known as a zombie.
尽管子进程提前退出，但它仍然在进程表中作为失效 (defunct) 进程存在，或称为僵死 (zombie) 进程。
If a parent process should die before the child process, the child process can become a defunct process-also known as a zombie process which usually results in a hung process or hung application.
如果父进程先于子进程死亡，那么子进程就成了死进程(也称为僵尸进程)，这常常会导致进程或应用程序挂起。
SYS ADM: What creates a defunct or zombie process?
系统管理：为什么会产生已死亡的进程?。
SYS ADM: What creates a defunct or zombie process?
系统管理：为什么会产生已死亡的进程?。
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