System Process Management A process is a program in execution. The operating system is responsible for the following activities in connection with process management. Process creation and deletion.
Main memory is a volatile storage device.
It loses its contents in the case of system failure. Keep track of which parts of memory are currently being used and by whom. Decide which processes to load when memory space becomes available. Allocate and deallocate memory space as needed. Most modern computer systems use disks as the principle on-line storage medium, for both programs and data.