Mac OS X and iOS Internals: To the Apple's Core cover
Mac OS X and iOS Internals: To the Apple's Core
ISBN: 1118057651
Buy on Amazon
Found in 3 comments on Hacker News
pjmlp · 2020-03-15 · Original thread
Those exhaustive guides are called books on OS X's case.

https://www.amazon.com/Mac-OS-Internals-Approach-paperback/d...

https://www.amazon.com/MacOS-iOS-Internals-User-Mode/dp/0991...

https://www.amazon.com/MacOS-iOS-Internals-II-Kernel/dp/0991...

https://www.amazon.com/MacOS-iOS-Internals-III-Insecurity/dp...

https://www.amazon.com/Mac-OS-iOS-Internals-Apples/dp/111805...

However the future leads to userspace extensions, so their usefulness is kind of relative, beyond targeting pre-Catalina versions.

pjmlp · 2020-01-21 · Original thread
That was more true in the past.

https://www.amazon.com/Mac-OS-Internals-Approach-paperback/d...

https://www.amazon.com/Mac-OS-iOS-Internals-Apples/dp/111805...

pjmlp · 2019-11-19 · Original thread
The UNIX on NeXT and derived OS is just there mostly for compatibility purposes, and not much else.

http://www.nextop.de/NeXTstep_3.3_Developer_Documentation/

https://www.amazon.com/Mac-OS-Internals-Approach-paperback/d...

https://www.amazon.com/Mac-OS-iOS-Internals-Apples/dp/111805...