Live study: read along book "Operating Systems: Three Easy Pieces" (Part 127)

I want to learn about operating system and i will take a look at a book called "Operating Systems: Three Easy Pieces". So let's explore it together and see how it goes! Repo: https://github.com/bruhtus/ostep References: https://pages.cs.wisc.edu/~remzi/OSTEP/ https://github.com/remzi-arpacidussea... https://github.com/remzi-arpacidussea... https://notes.suhaib.in/docs/tech/dsa... https://www.tpointtech.com/procedures... https://github.com/remzi-arpacidussea... https://runebook.dev/en/docs/python/l... https://unpyc.sourceforge.net/Opcodes... http://dbp-consulting.com/tutorials/d... https://www.w3tutorials.net/blog/c-c-... https://www.gnu.org/software/bash/man... https://www.linfo.org/standard_output... https://sourceware.org/gdb/current/on... https://sourceware.org/gdb/current/on... https://web.archive.org/web/201201030... https://www.open-std.org/jtc1/sc22/wg... https://linuxvox.com/blog/are-child-p... https://github.com/skuhl/sys-prog-exa... https://nimfsoft.art/blog/2025/07/23/... https://csresources.github.io/SystemP... https://cs341.cs.illinois.edu/courseb... https://linuxvox.com/blog/about-the-a... https://sourceware.org/glibc/manual/l... https://pubs.opengroup.org/onlinepubs... https://pubs.opengroup.org/onlinepubs... https://linuxvox.com/blog/after-fork-... https://biriukov.dev/docs/fd-pipe-ses... https://lwn.net/Articles/176911/ https://linuxvox.com/blog/why-can-onl... https://www.cs.uleth.ca/~holzmann/C/s... https://github.com/nu11secur1ty/All-S... https://stackoverflow.com/q/4941992 (User stack and kernel stack). https://lmbench.sourceforge.net/ https://stackoverflow.com/q/62162100 (Is calling function considered context switch?).    • Write your own Operating System   (Write your own OS). https://docs.google.com/document/d/1w... (Serhat's notes). https://kibibyte.in/blog/2025/04/27/k... https://en.wikipedia.org/w/index.php?... https://www.redhat.com/en/blog/pmap-c... https://utcc.utoronto.ca/~cks/space/b... https://lwn.net/Articles/230975/ https://linuxvox.com/blog/what-if-i-a... https://developers.redhat.com/article... https://kuleuven-diepenbeek.github.io... https://www.learncpp.com/cpp-tutorial... https://stackoverflow.com/q/10493411 (Bit masking). https://codehiddenlanguage.com/ https://betterexplained.com/articles/...