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It wasn’t until Tim O’Reilly cut a cross section into an apple that the concept came together. Sitting in the marketing design department at O’Reilly & Associates one day last year, Tim picked up an X-Acto Knife and, slicing to the apple’s core, he began to describe how all the disparate components of Linux fit neatly together. At the center is the kernel, and surrounding it is the fruit–layer upon layer of utilities and applications that make the system a viable whole.
