There is an update in the detailed Linux subsystems diagrams in English:

1. Entire Linux Network stack diagram - https://doi.org/10.5281/zenodo.12723600

2. Linux disk I/O diagram - https://doi.org/10.5281/zenodo.15172530

3. Commonly used Linux commands - https://doi.org/10.5281/zenodo.21907569

And also, a new release of the book: "Operating systems and computer networks - Linux in Practice" - in Croatian:

https://doi.org/10.5281/zenodo.8119310

P.S. All above materials are published in CC BY SA 4 license.