Hi! Great job! I really enjoyed reading this mini-book and I'm recommending my friends in college to read it. It mentions a lot of topics that we studied during an "Operating Systems" course.

We don't have HackClub here where I live, thus I never heard of it, but what they do sounds awesome and inspires me to promote it or even start it here (especially since there's no HackClub in Ukraine).

Thank you for sharing this experience, it was one of the best reads I had in a while!