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S20desk

System 2.0.

System 2 introduced the second major upgrade to the Macintosh system software. It was released in April 1985 and includes the System 2.0 update and System 2.1 for HD20 HFS support.

Versions of System 2


System 2

System 2.0 | System 2.1

← System 1 | System 2 | System 3 →


Macintosh system software
Macintosh System: System 1 | System 2 | System 3 | System 4 | System 5 | System 6 | System 7
Mac OS: Mac OS 8 | Mac OS 9 | Mac OS X