macOS Internals.md macOS Internals Understand your Mac and iPhone more deeply by tracing the evolution of Mac OS X from prelease to Swift. John Siracusa delivers the details. Starting Points How to use this gist You've got two main options: Under Highlights, read all the links you're interested in, or Use "OS X Reviewed" as an index and just read all the reviews end to end. (This is not the fast o