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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

I/O & Disk Scheduling3

Memory Management4

Address spaces and contiguous memory allocation
Paging — cutting memory into interchangeable Lego bricks
Segmentation and multilevel page tables
Dynamic memory allocation — how malloc actually finds you space

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

I/O & Disk Scheduling3

Memory Management4

Address spaces and contiguous memory allocation
Paging — cutting memory into interchangeable Lego bricks
Segmentation and multilevel page tables
Dynamic memory allocation — how malloc actually finds you space

Virtual Memory3

Building Your Own OS in C++6

Learn Operating Systems Memory Management

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Address spaces and contiguous memory allocation

How the OS hands out physical memory to processes, and the frustrating way free space quietly crumbles into useless crumbs over time.

9 min readUpdated 2026-09-03operating-systemsmemory-managementfragmentation