Which folders are affected by System Integrity Protection?
Solution 1:
See Apple's About System Integrity Protection on your Mac:
Paths and applications protected by System Integrity Protection include:
- /System
- /usr
- /bin
- /sbin
- Apps that are pre-installed with OS X
Paths and applications that third-party apps and installers can write to include:
- /Applications
- /Library
- /usr/local
System Integrity Protection is designed to allow modifications of these protected parts only by processes that are signed by Apple and have special entitlements to write to system files, like Apple software updates and Apple installers.