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Systems
Operating Systems: How Computers Really Work
Every performance problem, deadlock and out-of-memory error eventually leads to the operating system. Learn how the kernel shares one CPU among thousands of tasks, keeps programs isolated, and builds the illusion of vast private memory.
What you’ll learn
- Explain the role of the kernel, system calls and user space
- Describe processes, their memory layout and their lifecycle
- Compare CPU scheduling policies and their trade-offs
- Recognize race conditions and protect shared data
- Explain the memory hierarchy and how virtual memory works
Curriculum
Module 1 · The machine and the kernel
5 lectures- 01What an operating system doesInteractiveFree16 min
- 02Processes: programs in motionInteractiveFree17 min
- 03CPU schedulingInteractiveFree18 min
- 04Threads and concurrencyInteractiveFree18 min
- 05Memory: the hierarchy and virtual memory3D modelFree20 min
Module 2 · Memory and storage
5 lectures- 06Paging, TLBs and page replacementIncluded with the course
- 07File systemsIncluded with the course
- 08I/O, interrupts and driversIncluded with the course
- 09DeadlocksIncluded with the course
- 10Synchronization primitivesIncluded with the course
Module 3 · Modern systems
4 lectures- 11Virtualization and hypervisorsIncluded with the course
- 12Containers under the hoodIncluded with the course
- 13Linux performance toolsIncluded with the course
- 14Capstone: diagnose a slow serverIncluded with the course
Who this course is for
- Back-end engineers chasing performance problems
- SRE, DevOps and infrastructure engineers
- Developers preparing for systems-heavy roles
Before you start
Some programming experience in any language.
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Training a team on this?
We can combine Operating Systems: How Computers Really Work with other courses into a learning path built around your team’s roles and goals.