Operating Systems · CPU scheduling

CPU scheduling basics

The policy that decides which ready process runs next, and for how long.

Also known as: FCFS, SJF, round robin, turnaround time.

Start a lesson on CPU scheduling basics

Learn first

• The process abstraction: A running program's isolated illusion of its own CPU and memory, tracked by the OS as a process control block.

Leads to

• Advanced and real-world scheduling: Scheduling policies, priority queues, MLFQ, CFS, that adapt to real workloads instead of assuming uniform jobs.

Related topics

• Advanced and real-world scheduling: Scheduling policies, priority queues, MLFQ, CFS, that adapt to real workloads instead of assuming uniform jobs.