System 2

System 2 is the second major upgrade to the Macintosh system software. It was released in April 1985.

It is comprised exclusively of the solitary System 2.0 update.

[edit] Versions of System 2

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