Classic Mac OS

The Classic Mac OS is a general term used to describe the Macintosh system software (Mac OS) before (and not including) Mac OS X. The term is not to be confused with the software-based Classic environment in Mac OS X.

Major versions of the Classic Mac OS:


 * System 1
 * System 2
 * System 3
 * System 4
 * System 6
 * System 7
 * Mac OS 8
 * Mac OS 9