Writing a Bootloader

This article series explains how to write a tiny 32-bit x86 operating system kernel. We won’t do very much other than print Hello world! to the screen in increasingly complicated ways! We’ll start off in assembly and then build up to writing C++!
A presentation of this article series is also available.
To follow along you’re going to need the NASM assembler and QEMU to emulate a virtual machine for us. QEMU is great because you don’t have to worry about accidentally destroying your hardware with badly written OS code ;) You can install these on Windows Subsystem for Linux or Ubuntu with this command:
sudo apt-get install nasm qemu
On a mac you can use homebrew:
brew install nasm
On Windows 10 you’ll also want to install an X Server which allows QEMU to open a window from the linux subsystem.”

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