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<div style="font: bold 2em/1.2 -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Helvetica Neue', Helvetica, Arial, sans-serif; color: var(--wiki-color);">Mac OS X 10.1</div>
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! class="ios-lab" | Developer
| class="ios-val" | [[Apple]]
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! class="ios-lab" | Codename
| class="ios-val" | Puma
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! class="ios-lab" | Initial release
| class="ios-val" | September 25, 2001
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! class="ios-lab" | Final release
| class="ios-val" | 10.1.5 (June 2002)
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! class="ios-lab" | Price
| class="ios-val" | Free upgrade from 10.0
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! class="ios-lab" | Preceded by
| class="ios-val" | [[Mac OS X 10.0]]
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! class="ios-lab" | Succeeded by
| class="ios-val" | [[Mac OS X Jaguar]]
|}
{{macOS Version Navbox}}
Mac OS X 10.1 (codenamed Puma) is the second release of [[macOS]], shipped on September 25, 2001, as a free upgrade — Apple's rapid apology for [[Mac OS X 10.0|Cheetah]]'s rough launch, distributed on CDs handed out in stores. It attacked the complaints directly: application launch and interface responsiveness improved dramatically, DVD playback and CD burning arrived, and system settings consolidated.
From January 2002, new Macs booted into Mac OS X by default — the real changing of the guard from [[Classic Mac OS|Mac OS 9]].
= Features =
Major performance work; DVD Player; Finder and iTunes CD burning; Image Capture; improved AppleScript; ColorSync 4; moveable Dock. The missing pieces (native apps, gaming, speed on older hardware) remained works in progress.
= Legacy =
Puma made Mac OS X usable and default — the release that converted the platform from demo to daily driver, and set the free-fix precedent Apple would need again. Its successor [[Mac OS X Jaguar|Jaguar]] would make the system genuinely good.