Process States and CPU Scheduling in Virtualization

Have you ever wondered how your operating system coordinates multiple tasks simultaneously without crashing? Understanding how processes transition between running, ready, and blocked states is fundamental to grasping system performance and virtualization. This course guides you through the core mechanics of process management, giving you a clear mental model of how operating systems share physical hardware among competing applications. You will transition from a basic understanding of computer hardware to a clear comprehension of active process scheduling, context switching, and system virtualization. What you'll learn: Understand foundational process concepts, including the process control block and memory layout; Analyze process state transitions between running, ready, and blocked states; Explore how operating systems virtualize the CPU to run multiple workloads efficiently; Learn modern scheduling algorithms and how they optimize CPU utilization; Examine context switching and the overhead associated with state transitions; Practice identifying performance bottlenecks caused by blocked processes. We begin with essential terminology and the basic architecture of a process before moving step-by-step into complex scheduling behaviors and virtualization techniques. This text-only course is designed for beginner software developers, system administrators, and computer science students looking for a solid foundation in operating system internals. Start reading today to demystify how modern operating systems manage execution and hardware virtualization.