Operating System Fundamentals and Core Concepts

Understanding how operating systems interact with hardware and execute software is essential for any modern software developer or IT practitioner. This written course provides a thorough introduction to operating system architecture, breaking down complex system mechanics into manageable, beginner-friendly explanations. You will start by learning key terminology, kernel functions, and execution modes. From there, you will explore process scheduling, concurrency, virtual memory allocation, file systems, and contemporary isolation techniques used in containerization. What you will learn: Understand foundational operating system terminology, architecture, and system calls. Master process lifecycle, CPU scheduling algorithms, and inter-process communication. Analyze thread synchronization, concurrency hazards, and deadlock handling. Explore virtual memory, paging, segmentation, and memory protection mechanisms. Examine file system structures, disk organization, and input-output management. Learn modern OS concepts including security boundaries and container isolation fundamentals. This course starts with basic definitions and foundational mechanics before progressing to system architecture and review questions. Designed for complete beginners, no advanced programming or hardware background is necessary. Start reading today to master the underlying mechanics of modern software.