Mac System Software 6.0.6
| Build of Mac System Software 6.x | |
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| Architecture | 68k |
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| About |  |
Mac System Software 6.0.6 is a version of Mac System Software 6.x which was released in September 1990. This is the first version of Mac System Software 6 to support Macintosh LC, Macintosh Classic and Macintosh IIsi.