Eaton Phil

 Operating Systems: Three Easy Pieces

https://eatonphil.com/bookclub.html

how to write deterministic and easily testable code with single control thread

Be very good at uncorrelated things

problem of the week

High level is the goal

System design case studies

https://posts.cgamedev.com/p/the-hidden-cost-of-software-libraries

If we take the chance that a tool (compiler, linker, batch, whatever) remains working for a particular codebase after one year as a given probability p, then the chance that build remains working after x years is p^xn, where n is the number of tools used in the build.