Mac OS X
 | |
 A Screenshot of Mac OS X Lion (Currently Showing Finder) | |
| Developer | Apple Inc. |
|---|---|
| Written in | C, C++, Objective-C[6][7] |
| OS family | Mac OS, Unix-like (until Mac OS X 10.5), Unix (From Mac OS X 10.5)[1][2][3][4][5] |
| Working state | Current |
| Source model | Closed source (with open source components) |
| Initial release | March 24, 2001 |
| Latest release | 15.5[8] (May 12, 2025) [±] |
| Marketing target | Personal computing |
| Available in | Multi-lingual |
| Update method | Apple Software Update Mac App store |
| Platforms | |
| Kernel type | Hybrid (XNU) |
| Default user interface | Graphical (Aqua) |
| License | Proprietary EULA |
| Preceded by | Mac OS 9 |
| Official website | www |
The Last version to include the name Mac OS X was Mac OS X Lion on July 25 2012 Apple Launched there new updated version of the mac operating system called OS X Moutine Lion which dropped Mac OS X as a name and replaced it with OS X
references
- ^ "Mac OS X 10.5 on Intel-based Macintosh computers". The Open Group. Retrieved November 22, 2009.
- ^ "Mac OS X 10.6 on Intel-based Macintosh computers". The Open Group. Retrieved April 7, 2010.
- ^ "Mac OS X 10.8 on Intel-based Macintosh computers". The Open Group. Retrieved July 25, 2012.
- ^ "Apple page on UNIX". Apple. Retrieved November 5, 2008.
- ^ "Apple technology brief on UNIX" (PDF). Apple. Retrieved November 5, 2008.
- ^ "Apple Developer: Cocoa Overview". Apple. Retrieved April 9, 2010.
- ^ "Apple Developer: Mac OS X Technology Overview" (PDF). Apple. Retrieved April 9, 2010.
- ^ Clover, Juli (2025-05-12). "Apple Releases macOS Sequoia 15.5". MacRumors. Retrieved 2025-05-13.