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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

Virtual Memory3

Building Your Own OS in C++6

Setting up your toolchain and booting your very first kernel
Building a real screen driver, and setting up the GDT
Handling interrupts, the IDT, and a real keyboard driver
Managing physical memory, and turning on paging
Real multitasking — implementing your own scheduler and context switch
A simple shell, a toy file system, and where to go from here

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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

Virtual Memory3

Building Your Own OS in C++6

Setting up your toolchain and booting your very first kernel
Building a real screen driver, and setting up the GDT
Handling interrupts, the IDT, and a real keyboard driver
Managing physical memory, and turning on paging
Real multitasking — implementing your own scheduler and context switch
A simple shell, a toy file system, and where to go from here

Learn Operating Systems Building Your Own OS in C++

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Real multitasking — implementing your own scheduler and context switch

Giving your kernel the ability to run more than one task at once, using a real timer interrupt and a hand-written context switch in assembly.

12 min readUpdated 2026-09-03operating-systemsosdevcppschedulingcontext-switching