Process a process is a program in execution executable module of program resides in a program image in main memory each process id (do a ps in UNIX) and a process state (ready, running, blocked, and so on)

Process

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• a process is a program in execution
• executable module of program resides in a program image in main memory
• each process id (do a ps in UNIX) and a process state (ready, running, blocked, and so on)