Mac OS 9.1 (PPC with MMU) 'Fortissimo' ( 2001).

Mac OS 9.0.1 (PPC All) 'Minuet' - never released.

Mac OS 8.7 (PPC) 'Sarah' - never released.

Mac OS 8.2 (PPC) 'SouthPark' & 'Sequins' & 'Snowman' - never released.

Mac OS 7.7 (32-bit 68k / PPC) 'Speedy' - never released.

Mac OS 7.5.4 - pulled within hours of seeding to distribution sites.

System 7.1P4 (68k) - available only on a Utility disk never pre-installed.

System 6.1 ( 1992) - limited machine-only release for the Middle Eastern market.

System 6.0.8.1 ( 1992) - limited machine-only release for the international market.

System 6.0.8L (Classic, LC, PB100) ( 1992) - limited machine-only release for the Pacific market.System 6.0.6 'SixPack' - never released due to AppleTalk bug.Macintosh System Software (0.7) System File 3

System Software with HD20 Support (0.5) System File 2

2.3 Mac OS X Public Beta 'Kodiak' (2000)Ĭlassic Mac OS Macintosh System Software (0 - 0.3) System File 1.

1.2 System Software with HD20 Support (0.5).

1.1 Macintosh System Software (0 - 0.3).

Macbook os x versions