Process: A Program in Execution
Program vs Process
| Program | Process |
|---|---|
| Passive entity (file on disk) | Active entity (running) |
| Static | Dynamic |
| No resources allocated | Has CPU, memory, I/O |
| Stored in storage | Resides in memory |
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LearnStep 1 of 2
Process vs Program
Learning Objectives
- •Define a process
- •Understand PCB
- •Learn process memory layout
Lesson Outline
LearnStep 1/2
Process vs Program
Process Control Block (PCB)
The OS maintains a PCB for each process:
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