Operating system architecture refers to the structured design and organization of an operating system, which dictates how it manages hardware resources and provides services to application software. It encompasses the kernel, system calls, and user interfaces, and is crucial for ensuring efficiency, security, and scalability in computing environments.

Operating System Architecture

Operating system architecture

Structured Design is a systematic methodology to improve the design and organization of software systems using the principles of modularization, hierarchy, and abstraction. It emphasizes reducing complexity by dividing a system into smaller, manageable parts and defining clear relationships and functions for each component.

structured design

organization of an operating system

Hardware resources are the physical parts of a computer, like the brain, memory, and body, that help it work and do tasks. They are like the toys and tools you use to play and learn, helping the computer think and do jobs.

hardware resources

services to application software

The kernel is a core component of an operating system, responsible for managing system resources and facilitating communication between hardware and software. It acts as a bridge between applications and the data processing performed at the hardware level, ensuring efficient and secure operation of the entire system.

kernel

System calls provide an essential interface between a process and the operating system, allowing user-level applications to request services such as file manipulation, process control, and communication. They are crucial for resource management and ensuring security and abstraction in modern computing environments.

system calls

User interfaces are the points of interaction between humans and digital systems, shaping how users perceive and control technology. An effective interface enhances usability and accessibility, making complex functions intuitive and efficient to operate.

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