The newbie’s guide to hacking the Linux kernel

You don’t need a PhD in computer science and years of experience to hack the kernel. Sure, they help, but the nature of Linux development means that it’s open to all by default. All you have to do is get stuck in. You use the Linux kernel in whatever shape or form every day; wouldn’t you feel just the tiniest swell of pride if you’d helped work on it, no matter in how small a way?