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0 pointsfragmede3y ago0 comments

If that counts then maybe macOS should as well, which has a read only root filesystem with an overlay on top these days.

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4 comments · 1 top-level

arjvik3y ago· 3 in thread

Can you elaborate on how this works? This is the first I'm hearing of it.

lproven3y ago

It has used an increasingly complex disk layout which has evolved through the last few major releases.

Here is an overview of macOS 13's layout.

https://eclecticlight.co/2022/10/25/ventura-volume-layout/

0x4573y ago

Core of macos itself is immutable and won't let you even add kernel modules or enable/disable system services, and IIRC it lives on a separate partition that is R/O.

joshspankit3y ago

This is the feature called System Integrity Protection (SIP)

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