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Fundamentals of Operating Systems Scheduling Revisited Scheduling is a core task of any operating system. It decides which process runs next and for how long. A good scheduler improves interactive responsiveness, keeps servers busy, and avoids long waits for background tasks. This revisit keeps the basics clear while noting practical choices for real systems. Understanding goals helps. Key measures include CPU utilization, turnaround time, waiting time, response time, and overall throughput. These goals trade off with each other. A change that helps one metric may slow another. For users, small, predictable delays beat occasional long stalls. ...