进程和线程都是操作系统的概念。进程是应用程序的执行实例，每个进程是由私有的虚拟地址空间、代码、数据和其它各种系统资源组成，进程在运行过程中创建的资源随着进程的终止而被销毁，所使用的系统资源在进程终止时被释放或关闭。-Process and the thread is the concept of the operating system. The application process is the implementation of example, each process is a private virtual address space, code, data and other system resources, the process of running the process to create the resources with the termination of the process of being destroyed by the use of system resources in the process of termination was released on or off.