A process is the basis of the operating system structure; is an executing program; an instance of a program running in a computer; an entity that can be assigned to and executed by a processor; consists of a single sequence of execution, a current state, and a set of The activity unit described by the associated system resource. To an application, a process is like a big container. After the application is run, it is equivalent to loading the application into a container. You can add other things to the container (such as variable data required by the application when it is running, DLL files that need to be referenced, etc.). When the application When the program is run twice, the contents of the container will not be dumped, and the system will find a new process container to accommodate it.
