1.Linux进程–守护进程(脱离终端的后台进程)
https://blog.csdn.net/tennysonsky/article/details/45970087
2.Linux进程–僵尸进程
https://blog.csdn.net/tennysonsky/article/details/45966571
https://blog.csdn.net/tennysonsky/article/details/45970087
https://blog.csdn.net/tennysonsky/article/details/45966571