14.进程和信号

系统进程

---

启动新进程

system:

exec:

等待一个进程

僵尸进程

输入和输出重定向

---

线程：

---

信号：

---

http://www.jb51.net/article/71734.htm

http://blog.youkuaiyun.com/chrisniu1984/article/details/7050663

http://blog.youkuaiyun.com/zhangxinrun/article/details/5641547

http://c.biancheng.net/cpp/html/1142.html

http://blog.youkuaiyun.com/jiuxiaotian/article/details/21078569

http://www.bianceng.cn/Programming/C/201212/34840.htm

http://php.net/manual/zh/function.pcntl-signal.php

http://c.biancheng.net/cpp/html/280.html

http://blog.youkuaiyun.com/realizelizijun2013/article/details/50413242

http://blog.youkuaiyun.com/thanksgining/article/details/41824475

http://blog.sina.com.cn/s/blog_8b745a5f010145pb.html

http://blog.youkuaiyun.com/thanksgining/article/details/41824475

http://blog.sina.com.cn/s/blog_8b745a5f010145pb.html

http://blog.youkuaiyun.com/zhangskd/article/details/21992933

http://www.linuxidc.com/Linux/2014-03/98013.htm

http://blog.youkuaiyun.com/yanyiyyy/article/details/6713457