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Data Structures & AlgorithmsComplexity analysis up to graphs and DP.Operating SystemsProcesses, scheduling, memory and concurrency.Database Management SystemsRelational modelling, transactions and indexing.Computer NetworksFrom wires and radio waves up to the web.

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AI Inference EngineeringQuantization, batching and KV caching in production.System DesignScalable systems from first principles.Context EngineeringDesigning the context that LLMs actually reason over.Docker & KubernetesContainers and orchestration, explained.

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Operating Systems

Foundations of Operating Systems3

Processes & Threads4

Inter-Process Communication3

Concurrency & Synchronization4

CPU Scheduling4

What are we even trying to optimize? Scheduling goals and metrics
FCFS, shortest job first, and priority scheduling
Round robin and multilevel queue scheduling
Scheduling across multiple cores, and real-time systems

I/O & Disk Scheduling3

Memory Management4

Virtual Memory3

Building Your Own OS in C++6

Lessons

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Operating Systems

Foundations of Operating Systems3

Processes & Threads4

Inter-Process Communication3

Concurrency & Synchronization4

CPU Scheduling4

What are we even trying to optimize? Scheduling goals and metrics
FCFS, shortest job first, and priority scheduling
Round robin and multilevel queue scheduling
Scheduling across multiple cores, and real-time systems

I/O & Disk Scheduling3

Memory Management4

Virtual Memory3

Building Your Own OS in C++6

Learn Operating Systems CPU Scheduling

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Round robin and multilevel queue scheduling

The algorithm that actually powers most interactive systems, the precise math behind choosing a time quantum, and how real OSes combine multiple algorithms at once.

10 min readUpdated 2026-09-03operating-systemscpu-schedulinground-robinmultilevel-queue