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| Version of the macOS operating system | |
 | |
 Screenshot of Mac OS X 10.1 Puma Finder and System Preferences | |
| Developer | Apple Computer, Inc. |
|---|---|
| OS family | |
| Source model | Closed, with open source components |
| General availability | September 29, 2001[1] |
| Latest release | 10.1.5 / June 6, 2002[2] |
| Platforms | PowerPC |
| Kernel type | Hybrid (XNU) |
| License | Apple Public Source License (APSL) and Apple end-user license agreement (EULA) |
| Preceded by | Mac OS X 10.0 |
| Succeeded by | Mac OS X 10.2 Jaguar |
| Official website | Apple - Mac OS X at the Wayback Machine (archived November 17, 2001) |
| Tagline | The biggest breakthrough since point and click. |
| Support status | |
| Historical, unsupported as of November 13, 2006 | |
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| Part of a series on |
| macOS |
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Mac OS X 10.1 (code named Puma) is the second major release of macOS, Apple's desktop and server operating system. It superseded Mac OS X 10.0 and preceded Mac OS X Jaguar. Mac OS X 10.1 was released on September 25, 2001, as a free update for Mac OS X 10.0 users. The operating system was handed out for free by Apple employees after Steve Jobs' keynote speech at the Seybold publishing conference in San Francisco. It was subsequently distributed to Mac users on October 25, 2001, at Apple Stores and other retail stores that carried Apple products.
Mac OS X 10.1 was codenamed "Puma" because the internal team thought it was "one fast cat."[3]
- ^ "First Major Upgrade to Mac OS X Hits Stores This Weekend" (Press release). Apple Inc. September 25, 2001. Archived from the original on September 19, 2022. Retrieved January 11, 2018.
- ^ "Mac OS X Update 10.1.5: Information and Download". January 12, 2002. Archived from the original on June 17, 2002.
- ^ "Seybold San Francisco Keynote 2001". September 25, 2001.