Program vs Process Program is passive entity stored on disk executable file), process is active Program becomes process when a executable file loaded into memory Execution of program started via gul mouse clicks, command line entry of its name etc One program can be several processes Consider multiple users executing the same programProgram vs Process • Program is passive entity stored on disk (executable file), process is active • Program becomes process when a executable file loaded into memory • Execution of program started via GUI mouse clicks, command line entry of its name, etc • One program can be several processes • Consider multiple users executing the same program