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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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Operating Systems

Foundations of Operating Systems3

Processes & Threads4

Inter-Process Communication3

Pipes and shared memory — two ways for processes to talk
Message queues, sockets, and signals
Client-server IPC and remote procedure calls

Concurrency & Synchronization4

CPU Scheduling4

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

Pipes and shared memory — two ways for processes to talk
Message queues, sockets, and signals
Client-server IPC and remote procedure calls

Concurrency & Synchronization4

CPU Scheduling4

I/O & Disk Scheduling3

Memory Management4

Virtual Memory3

Building Your Own OS in C++6

Learn Operating Systems Inter-Process Communication

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Message queues, sockets, and signals

Three more ways processes talk — structured mailboxes, network-style connections, and one-bit emergency alarms.

9 min readUpdated 2026-09-03operating-systemsipcsocketssignals