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Breaking Free from User Space: Writing Your First Kernel Module

This post is Part 3 of a series on the Linux kernel.

Part 1 – Part 2

So we’ve already built the kernel from source and even modified the source code. While these were some pretty cool parlor tricks, isn’t it about time we learned something useful?

Well, I can’t promise that, but today we’ll take a step in the right direction by building a Linux kernel module.