Classic Mac OS

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:

• System 1, released January 24, 1984
• System 2, released April 1985
• System 3, released January 1986
• System 4, released January 1987
• System 5, released October 1987
• System 6, released April 1988
• System 7, released May 13, 1991
• Mac OS 8, released July 26, 1997
• Mac OS 9, released October 23, 1999

External links

• Developer World at Apple (1997-01-02)
  • Technotes (archived 1997-06-15)
• Classic Mac OS at Wikipedia

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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