# Mac OS X Snow Leopard

> seventh major release of OS X

**Wikidata**: [Q381215](https://www.wikidata.org/wiki/Q381215)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Mac_OS_X_Snow_Leopard)  
**Source**: https://4ort.xyz/entity/mac-os-x-snow-leopard

## Summary

Mac OS X Snow Leopard is an operating system. It was established on August 28, 2009.

## Summary
Mac OS X Snow Leopard is the seventh major release of Apple's macOS operating system, designed for Apple computers. Released on August 28, 2009, it refined and optimized the performance of its predecessor, Mac OS X Leopard, while introducing under-the-hood improvements rather than major new features.

## Key Facts
- **Release Date**: August 28, 2009.
- **Developer**: Apple Inc., an American multinational technology company headquartered in Cupertino, California.
- **Version**: The final version was 10.6.8, released on July 25, 2011.
- **Predecessor**: Mac OS X Leopard (released October 26, 2007).
- **Successor**: Mac OS X Lion (released July 20, 2011).
- **Based On**: Darwin operating system.
- **License**: Apple Public Source License.
- **Platform**: IA-32 architecture.
- **Certification**: Compliant with the Single UNIX Specification (UNIX 03).
- **GUI Framework**: Uses the Aqua graphical user interface.

## FAQs
### Q: When was Mac OS X Snow Leopard released?
A: Mac OS X Snow Leopard was released on August 28, 2009.

### Q: What is the significance of Mac OS X Snow Leopard?
A: It focused on performance improvements, stability, and efficiency rather than introducing major new features, making it a refinement of its predecessor, Mac OS X Leopard.

### Q: What version of macOS followed Snow Leopard?
A: Mac OS X Lion (version 10.7) succeeded Snow Leopard and was released on July 20, 2011.

### Q: What architecture does Snow Leopard support?
A: Snow Leopard was designed for the IA-32 (x86) architecture.

### Q: Is Snow Leopard UNIX-certified?
A: Yes, it is compliant with the Single UNIX Specification (UNIX 03).

## Why It Matters
Mac OS X Snow Leopard was a pivotal release in Apple's operating system history because it prioritized performance, stability, and efficiency over flashy new features. By refining the underlying architecture and optimizing system resources, Snow Leopard set a foundation for future macOS releases. It demonstrated Apple's commitment to improving user experience through technical excellence rather than superficial changes. Additionally, its compliance with UNIX 03 standards reinforced its reliability and compatibility with professional and enterprise environments. For users, Snow Leopard offered a faster, more responsive system, making it a favorite among those who valued performance and stability.

## Notable For
- **Performance Optimization**: Focused on refining and optimizing the operating system rather than adding new features.
- **UNIX Certification**: Compliant with the Single UNIX Specification (UNIX 03), ensuring reliability and compatibility.
- **Final IA-32 Release**: One of the last major macOS releases to support 32-bit applications before the transition to 64-bit.
- **Aqua GUI**: Continued use of the Aqua graphical user interface, known for its sleek and intuitive design.
- **Stability and Efficiency**: Known for its stability and efficient use of system resources, making it a preferred choice for many users.

## Body
### Overview
Mac OS X Snow Leopard (version 10.6) is the seventh major release of Apple's macOS operating system. It was developed by Apple Inc. and released on August 28, 2009. Unlike its predecessors, Snow Leopard focused on performance improvements, stability, and efficiency rather than introducing major new features.

### Development and Release
Snow Leopard was developed by Apple Inc., a multinational technology company based in Cupertino, California. It was released as a refinement of Mac OS X Leopard, with a strong emphasis on under-the-hood improvements. The final version, 10.6.8, was released on July 25, 2011.

### Technical Specifications
- **Based On**: Darwin operating system.
- **License**: Apple Public Source License.
- **Platform**: IA-32 (x86) architecture.
- **GUI Framework**: Aqua graphical user interface.
- **UNIX Certification**: Compliant with the Single UNIX Specification (UNIX 03).

### Predecessor and Successor
- **Predecessor**: Mac OS X Leopard (released October 26, 2007).
- **Successor**: Mac OS X Lion (released July 20, 2011).

### Key Features and Improvements
- **Performance Optimization**: Snow Leopard focused on refining the operating system to improve performance and efficiency.
- **Stability**: Known for its stability and reliable performance.
- **Efficiency**: Optimized system resources for better performance.
- **UNIX Compliance**: Certified under the Single UNIX Specification (UNIX 03), ensuring compatibility and reliability.

### Legacy
Mac OS X Snow Leopard is remembered for its focus on performance and stability, setting a foundation for future macOS releases. It demonstrated Apple's commitment to technical excellence and user experience, making it a significant release in the history of macOS.

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## References

1. lobid
2. Freebase Data Dumps. 2013
3. [Source](https://web.archive.org/web/20110525083043/http://www.apple.com:80/it/macosx/)