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This lecture note introduces the fundamental concepts of operating systems, emphasizing their critical role as an interface between hardware and user programs. It explains how operating systems manage hardware resources and provide a user-friendly environment for executing programs. Understanding the functions and responsibilities of operating systems is essential for anyone studying computer science and engineering. This foundational knowledge sets the stage for deeper exploration of operating system design and architecture.
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1. 1 CSE 380Computer Operating Systems Instructor: Insup Lee
University of Pennsylvania
Fall 2003
Lecture Note 1: Introduction
2. 2 What is an Operating System? Operating systems provides an interface between hardware and user programs, and makes hardware usable