What are the typical elements of a process image, Operating System

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What are the typical elements of a process image?

User data: Modifiable part of user space. May have program data, user stack area, and programs that might be modified.

User program: The instructions to be executed.

System Stack: Each process has one or more LIFO stacks associated with it. Used to keep parameters and calling addresses for process and system calls.

Process control Block: Info needed by the OS to control processes.

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