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Mac OS X / macOS Mac OS X Server OS X Server 10.7 and later are software add-ons to the base OS, and do not get their own releases Mac OS X Developer Preview 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.
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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).