What is an Operating System?
An Operating system is basically a intermediary agent between the user and the computer hardware.
- Manages the computer’s resources (hardware, abstract resources, software)
- It’s a resource allocator.
- It is also used to control programs to prevent errors and improper computer use.
- It is interrupt driven.
Operating System Benefits
- Simplifies hardware control for applications.
- Enforcer of sharing, fairness and security with the goal of better overall performance.
- Trade-off between fairness and performance.
- Trade-off between optimal algorithms and lean algorithms – OS is overhead.
- Provides abstract resources.
- Sockets.
- Inter-process communication.
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