Difference between revisions of "MacOS"
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| − | '''macOS''' ( | + | '''macOS''' (formerly '''Mac OS X''' and '''OS X''') is the primary [[Operating system|operating system]] developed by [[Apple Inc.|Apple]] for its [[Macintosh|Mac]] [[Computer|computers]]. It succeeded the original [[Classic Mac OS|Classic Mac OS]] and is known for its [[Graphical user interface|graphical user interface]] (GUI), stable [[Unix-like]] foundation (called [[Darwin (operating system)|Darwin]]), and deep integration with Apple hardware and its wider ecosystem. |
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== Overview == | == Overview == | ||
| − | macOS is the default operating system on all Mac computers | + | macOS is the default operating system on all Mac computers, providing an intuitive environment for running applications, managing files, and interacting with hardware. Its design prioritizes simplicity and aesthetics, while its Unix core ensures robustness and compatibility with standard development tools. macOS is optimized for Apple's hardware, offering seamless performance and features that connect it with other Apple devices like the [[iPhone]] and [[iPad]] through services like iCloud and Continuity. |
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== History == | == History == | ||
| − | Apple | + | Apple sought a modern replacement for the architectural limitations of the original Mac OS. This led to the 1996 acquisition of [[NeXT Inc.]], founded by Steve Jobs, which had developed the advanced [[NeXTSTEP]] operating system based on Unix. |
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| − | + | NeXTSTEP became the foundation for Apple's next-generation OS. The first major release, '''Mac OS X 10.0''' ("Cheetah"), debuted in 2001. The "X" highlighted its Unix foundation and represented the Roman numeral 10. Early versions were praised for their stability and the distinctive Aqua interface. | |
| − | + | Over time, Apple released annual updates. In 2013, with version 10.9, it was rebranded as '''OS X'''. Then, in 2016, with version 10.12 (Sierra), the name changed again to '''macOS''' to align with Apple's other operating systems (iOS, watchOS, tvOS). Recent versions have also seen a significant transition from Intel processors to Apple's own ARM-based silicon. | |
== Architecture == | == Architecture == | ||
| − | macOS | + | macOS features a layered architecture built on the open-source [[Darwin (operating system)|Darwin]] foundation, which is a [[Unix-like]] operating system derived from NeXTSTEP and BSD. |
| − | * '''Darwin:''' The core | + | * '''Darwin:''' The core, providing the kernel (a hybrid Mach kernel), device drivers, networking, and file system. |
| − | * '''Core Services:''' | + | * '''Core Services:''' Frameworks for applications, including networking, security, and foundational graphics. |
| − | * '''Application Layer:''' | + | * '''Application Layer:''' APIs for developers to build applications (e.g., Cocoa, SwiftUI). |
| − | * '''Aqua:''' The graphical user interface | + | * '''Aqua:''' The graphical user interface, defining the visual elements and user interactions. |
== Key Features == | == Key Features == | ||
| − | * '''Aqua GUI:''' | + | * '''Aqua GUI:''' Polished, intuitive, and visually appealing design. |
| − | * '''Unix Underpinnings:''' | + | * '''Unix Underpinnings:''' Offers stability, security, and access to powerful command-line tools. |
| − | * '''Hardware Integration:''' Optimized | + | * '''Hardware Integration:''' Optimized performance and efficiency with Apple's own hardware. |
| − | * '''Apple Ecosystem:''' | + | * '''Apple Ecosystem:''' Seamless connectivity and data synchronization with other Apple devices (e.g., Handoff, AirDrop, iCloud). |
| − | * '''Built-in Applications:''' | + | * '''Built-in Applications:''' Includes essential apps like Safari, Mail, Calendar, and Photos. |
| − | * '''Mac App Store:''' | + | * '''Mac App Store:''' Centralized platform for finding and installing applications. |
| − | * '''Security and Privacy:''' | + | * '''Security and Privacy:''' Strong built-in features like Gatekeeper and sandboxing. |
== Versioning and Naming == | == Versioning and Naming == | ||
| − | + | macOS versioning has evolved: | |
| − | * '''Mac OS X (10.0 - 10.7):''' | + | * '''Mac OS X (10.0 - 10.7):''' Used decimal versions and big cat code names (e.g., Puma, Jaguar). |
| − | * '''OS X (10.8 - 10.11):''' | + | * '''OS X (10.8 - 10.11):''' Dropped "Mac OS" and switched to California location code names (e.g., Mountain Lion, Yosemite). |
| − | * '''macOS (10.12 - present):''' | + | * '''macOS (10.12 - present):''' Renamed to macOS. Continued decimal versions up to 10.15, then moved to incrementing the main version number (e.g., 11 Big Sur, 12 Monterey). California location code names persist. |
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| + | == See Also == | ||
| + | * [[Docker]] | ||
| + | * [[Virtualization]] | ||
| − | [[Category: | + | [[Category:Information]] |
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Latest revision as of 10:24, 30 May 2025
Contents
macOS
macOS (formerly Mac OS X and OS X) is the primary operating system developed by Apple for its Mac computers. It succeeded the original Classic Mac OS and is known for its graphical user interface (GUI), stable Unix-like foundation (called Darwin), and deep integration with Apple hardware and its wider ecosystem.
Overview
macOS is the default operating system on all Mac computers, providing an intuitive environment for running applications, managing files, and interacting with hardware. Its design prioritizes simplicity and aesthetics, while its Unix core ensures robustness and compatibility with standard development tools. macOS is optimized for Apple's hardware, offering seamless performance and features that connect it with other Apple devices like the iPhone and iPad through services like iCloud and Continuity.
History
Apple sought a modern replacement for the architectural limitations of the original Mac OS. This led to the 1996 acquisition of NeXT Inc., founded by Steve Jobs, which had developed the advanced NeXTSTEP operating system based on Unix.
NeXTSTEP became the foundation for Apple's next-generation OS. The first major release, Mac OS X 10.0 ("Cheetah"), debuted in 2001. The "X" highlighted its Unix foundation and represented the Roman numeral 10. Early versions were praised for their stability and the distinctive Aqua interface.
Over time, Apple released annual updates. In 2013, with version 10.9, it was rebranded as OS X. Then, in 2016, with version 10.12 (Sierra), the name changed again to macOS to align with Apple's other operating systems (iOS, watchOS, tvOS). Recent versions have also seen a significant transition from Intel processors to Apple's own ARM-based silicon.
Architecture
macOS features a layered architecture built on the open-source Darwin foundation, which is a Unix-like operating system derived from NeXTSTEP and BSD.
- Darwin: The core, providing the kernel (a hybrid Mach kernel), device drivers, networking, and file system.
- Core Services: Frameworks for applications, including networking, security, and foundational graphics.
- Application Layer: APIs for developers to build applications (e.g., Cocoa, SwiftUI).
- Aqua: The graphical user interface, defining the visual elements and user interactions.
Key Features
- Aqua GUI: Polished, intuitive, and visually appealing design.
- Unix Underpinnings: Offers stability, security, and access to powerful command-line tools.
- Hardware Integration: Optimized performance and efficiency with Apple's own hardware.
- Apple Ecosystem: Seamless connectivity and data synchronization with other Apple devices (e.g., Handoff, AirDrop, iCloud).
- Built-in Applications: Includes essential apps like Safari, Mail, Calendar, and Photos.
- Mac App Store: Centralized platform for finding and installing applications.
- Security and Privacy: Strong built-in features like Gatekeeper and sandboxing.
Versioning and Naming
macOS versioning has evolved:
- Mac OS X (10.0 - 10.7): Used decimal versions and big cat code names (e.g., Puma, Jaguar).
- OS X (10.8 - 10.11): Dropped "Mac OS" and switched to California location code names (e.g., Mountain Lion, Yosemite).
- macOS (10.12 - present): Renamed to macOS. Continued decimal versions up to 10.15, then moved to incrementing the main version number (e.g., 11 Big Sur, 12 Monterey). California location code names persist.
