Not to be confused with the backwards-compatible Classic environment in Mac OS X.

The Classic Mac OS is a general term used to describe the Macintosh system software (Mac OS) before (and not including) Mac OS X.

Release history

Major releases of the classic Mac OS:

External links

Mac OS   Classic Mac OS versions
Macintosh System Software : System 1 · System 2 · System 3 · System 4 · System 5 · System 6 · System 7
Mac OS : Mac OS 7.6 · Mac OS 8 · Mac OS 9 · Classic environment
Cancelled : Copland · Gershwin
Deprecated in in May 2002 and succeeded by Mac OS X
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