Mac OS 9 is the ninth and final major release of Apple's classic Mac OS operating system, which was succeeded by Mac OS X 10.0 in 2001, starting the Mac OS X family of operating systems.

The maximum version of Mac OS X, OS X, or macOS supported by each G3 and later Mac follows. For complete specs on a particular system, click the name of the Mac. For all Macs …

Mac OS 9.1 was released on January 9, 2001, and was available either as a 71 MB update (either in one piece or as separate segments) or as a "full install" version (which was the only version …

Mac OS 9是苹果Classic Mac OS系列的最后一个主版本，于 1999年 10月23日首发 [1] 。Mac OS 9系列最后一个版本于2001年11月5日发布的Mac OS 9.2.2。该系统于2002年结束支持。

Running MacOS 9 requires a supported Power PC based Macintosh (see the compatibility matrix), or the following emulator: SheepShaver - Runs MacOS 7.5.2-9.0.4, emulates a Power …

2024年7月17日 · Mac OS 9 is the final incarnation of the classic "Mac OS". Codenamed Sonata for its initial revision, it boasted many new Internet-based features. OS 9, like its predecessors, …

2001年2月5日 · Mac OS 9.1 offers some neat feature and performance enhancements, along with changes designed to begin the transition to Mac OS X – Apple’s thoroughly re-architectured …

2012年5月24日 · Using the Apple System Profiler in OS 9.1, scroll down the System Info page to the part where the System ROM version is indicated. If it lists 4.1.9, you're good to go and …

Mac OS 9.1 is the final version that Apple allows to install on anything previous to the Beige G3. However, there is an installer patch hack, OS 9 Helper, that allows you to install 9.2.1 or 9.2.2 …

2007年1月8日 · There is no retail OS 9.2.2 installer disc, so if a 9.2.1 disc won't suffice, the only source for a bootable OS 9 is an original disc that was shipped with the Mac model in …