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xnu Articles

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Showing 1-2 of 2 articles tagged “xnu”.

macos · Jun 15, 2026

Reversing Mac OS: From MacsBug to Modern macOS Debugging

A practical history of reversing and debugging on Mac OS, from Classic Mac OS tools like MacsBug and ResEdit to Mach-O, LLDB, Instruments, SIP, Apple Silicon, and modern macOS reverse engineering.

macOS · Jun 14, 2026

Inside macOS: How Apple’s Desktop OS Works Under the Hood

A geek-friendly tour of macOS internals, from APFS volumes and system directories to app bundles, launchd, Library folders, permissions, SIP, and sandboxing.