Mac OS X and iOS Internals 2012

This book offers a comprehensive overview of OS X and iOS. It guides you through the system startup phases for both Mac (EFi) and mobile (iBoot) devices, explains how processes, threads, virtual memory, and filesystems are managed, and details the security architecture. It reviews the internal APIs used by the system, including BSD and Mach, and dissects the XNU kernel into its components: Mach, the BSD Layer, and I/O Kit. Additionally, it explains the inner workings of device drivers. From architecture to implementation, this book is essential for those serious about understanding the internals of Mac OS X and iOS.
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