fork机制
A new process is created because an existing process makes an exact copy of itself. This child process has the same environment as its parent, only the process ID number is different. This procedure is called forking. After the forking process, the address space of the child process is overwritten with the new process data. This is done through an exec call to the system. The fork-and-exec mecha...
by hjmsolar - 系统管理 - 2006-07-28 08:33:10 阅读（531） 回复（2）
A new process is created because an existing process makes an exact copy of itself. This child process has the same environment as its parent, only the process ID number is different. This procedure is called forking. After the forking process, the address space of the child process is overwritten with the new process data. This is done through an exec call to the system. The fork-and-exec mecha...
