The link of os-dev.pdf is OUTDATED

[SYpiece]

I found it in another place.

os-dev.pdf

[gblnovaes]

❤️

[Ghostboo124]

it can also be found on the wayback machine, it seems like the university removed it late 2024
https://web.archive.org/web/20211008041419/http://www.cs.bham.ac.uk/~exr/lectures/opsys/10_11/lectures/os-dev.pdf