Minor fixes.

Updated for OS X v10.7.

Added a chapter that discusses the early stages of the boot process. The Early Boot Process was formerly part of Daemons and Services Programming Guide, and was moved here during a reorganization of that book.

Added security information and improved kernel build instructions.

Made minor corrections.

Added a note about pmuflags to the debugging section.

Removed out-of-date information for OS X v10.4.

Updated some stale content for OS X version 10.4.

Corrected locking prototypes. Made minor fixes to the file system section.

Revised networking, synchronization, and kernel services APIs for OS X v10.4.

Changed terminology from "fat binary" to "universal binary." Clarified the distinction between memory objects and VM objects.

Fixed minor errors in build instructions.

Updated kernel build instructions for OS X v10.4; other minor fixes.

Added information about generating NMI on newer hardware in OS X v10.4 and later; various other minor changes.

Made minor corrections.

Made section number fix to man page reference in Chapter 14.

Minor wording changes.

Added details comparing current_task to mach_task_self. Added information about using AltiVec and floating point in the kernel.

Minor corrections to kernel build information

Added information relating to Power Macintosh G5 VM issues and debugging. Clarified wait queue documentation (event_t).

Minor update release. Added index and tweaked wording throughout. Fixed minor errata in debugging chapter. Added a few missing details in the security chapter and cleaned up the equations presented. Corrected a few very minor OS X v10.2-specific details that weren’t caught during the first revision.

OS X v10.2 update release. Changed information on KEXT management, various small corrections (mainly wording improvements).

Full web release to coincide with WWDC. Corrected a few minor errata from the previous release.

Initial partial web release.