Core CS Stuff and Books

https://www.cs.cornell.edu/courses/cs6120/2020fa/self-guided/ : Best course for compilers.

http://pages.cs.wisc.edu/~remzi/OSTEP/#book-chapters : Operating Systems Guide

https://eloquentjavascript.net/Eloquent_JavaScript.pdf : Javascript and more javascript

Books

https://www.pdfdrive.com/how-to-read-a-book-the-classic-guide-to-intelligent-reading-e175962270.html : How to read a book ?