Mac OS 9
operating system From Wikipedia, the free encyclopedia
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. Introduced on October 23, 1999, it was promoted by Apple as "The Best Internet Operating System Ever",[6] highlighting Sherlock 2’s Internet search capabilities, integration with Apple's free online services known as iTools and improved Open Transport networking. While Mac OS 9 lacks protected memory and full pre-emptive multitasking,[7] lasting improvements include the introduction of an automated Software Update engine and support for multiple users.
| Version of the classic Mac OS operating system | |
 | |
| Developer | Apple Computer |
|---|---|
| OS family | Macintosh |
| Working state | Historic, unsupported |
| Source model | Closed source |
| Released to manufacturing | October 23, 1999[1][2][3] |
| Latest release | 9.2.2 / December 5, 2001[5] |
| Platforms | PowerPC |
| Kernel type | Nanokernel |
| Default user interface | Apple Platinum |
| License | Proprietary |
| Preceded by | Mac OS 8 |
| Succeeded by | |
| Official website | Apple - Products - Mac OS 9 at the Wayback Machine (archived November 9, 2000) |
| Support status | |
| Historical, unsupported as of February 1, 2002 | |
Apple discontinued development of Mac OS 9 in late 2001, transitioning all future development to Mac OS X. The final updates to Mac OS 9 addressed work problems with Mac OS X while running in the Classic Environment and works with Carbon applications. At the 2002 Worldwide Developers Conference, Steve Jobs began his keynote address by staging a mock funeral for OS 9.[8]
References
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