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Part I: Lay of the Land > Mac OS 9, Mac OS X,and Classic - Pg. 99

CHAPTER 3 Mac OS 9, Mac OS X,and Classic Mac OS X is way ahead of its time. When Apple developed this hybrid operating system, they knew it would take a while for application developers to Carbonize their applica- tions to run on Mac OS X. Rather than locking out older software entirely, Apple made it possible to run both Mac OS 9 and Mac OS X on the same system, and took it a step further by building a Mac OS 9 virtual machine into Mac OS X, called The Classic Environment, or just Classic. This chapter covers some of the changes between Mac OS 9 and Mac OS X, and in- troduces you to Classic.