How Mac OS X is Organized

Ever wonder what the /Library directory is for, and why there’s more than one of them?

The time has come. The time is now. I’m reviewing the basics, getting ready to recertify as an Apple Certified Systems Administrator (ACSA) for 10.4, Tiger, yes, just about in time for Leopard, 10.5 to come out (Spring actually seems very, very far away at the moment). It actually doesn’t come at too bad a time, I’m working less this week to help my wife with our new, third baby, and I’ve got time at all sorts of odd hours now to review technical details, and share tidbits with you!

Many of the questions on the certification exams are straight-forward if you’ve been working with OS X and OS X Server, and, if you have a reasonable sense for the underlying architecture of the OS, many of the remainder of the answers can be correctly guessed (I know, shocking, I don’t score 100%). Toward catching the remainder, and passing this puppy on the first attempt, I’ve been reviewing how the Apple OS is organized.

IMHO, the best place to do this is from the horse’s mouth, at the Apple Developer website , where if you follow this link you’ll find an overview of how and why Mac OS X is organized.

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