Little book about OS development (2015) [pdf]

As someone that has just spent the last 27 months building an OS from scratch in a University research environment (an OS that can survive catastrophic hardware and software failure [0]), I am very impressed with the quality of this document. I only wish I had found it previously! OS dev can be great fun and gives you a level of understanding about how computers actually work that is hard to gain from other sources. I have frequently found myself…

I love osdev. I don't know what the end game is for me, but there's something really cool about being able to just create... whatever I want. It all sort of clicked for me when I was able to get some basic x86 interrupts and syscalls working. Once you get the syscalls going, the world is your oyster! Seriously, I would highly recommend tinkering around with a hobby OS. I used it as an opportunity to learn Rust and I…

I love this "little book about X" concept. I believe there is a lot of chicanery going on in the modern world of textbooks - a lot of stuff that is stretched to hundreds of pages (to get more money out of the book, I assume) could be condensed down to a double-digit number of pages, without significant loss of information. Knowledge should be simplified as much as it can. I am human and I can only parse so much…

Thanks for this awesome work! I would love to see a littlehypervisorbook too!