- Formerly (1984–2001):
- Mac OS and (2001–2016) Mac OS X
- Key People:
- Alan Kay
- Related Topics:
- operating system
- Macintosh
macOS
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What is macOS?
macOS is an operating system (OS) created by Apple Inc. that was initially released in 1984 for the Macintosh line of personal computers. It was originally known as Mac OS but was renamed macOS in 2016 to match the naming conventions of iOS and watchOS.
macOS was one of the first operating systems to use a graphical user interface (GUI), which allowed users to interact with the computer using a mouse and icons rather than typing commands. Most operating systems eventually adopted the GUI model. macOS is a proprietary UNIX-based system. Later versions introduced features such as internet file sharing, network browsing, and multiple user accounts.
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Who makes macOS?
Apple Inc. developed the macOS operating system (OS). Introduced in 1984 for the Macintosh line of personal computers, macOS pioneered the graphical user interface (GUI), influencing Microsoft's Windows OS. Apple's marketing emphasized its intuitive ease of use, featuring a graphical interface with icons and a mouse pointer for navigation. In 1996, Apple acquired NeXT Computers and, in 2001, launched Mac OS X, a redesign based on NextStep and Apple's latest OS, offering advancements like memory protection and a versatile Finder. Later, Apple focused on connectivity between macOS and mobile devices like iPhone and iPad, introducing features like iCloud for data sharing. In 2016, the system was renamed macOS to align with iOS and watchOS.
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What devices use macOS?
macOS is an operating system created by Apple Inc. in 1984 to run the Macintosh line of personal computers. It was initially called System Software. macOS was revolutionary because of its graphical user interface (GUI), which used icons and a mouse pointer for navigation, influencing the development of Windows OS. Later versions added features like internet file sharing and multiple user accounts. In 2011, Apple introduced iCloud, which allowed users to share data between Apple devices using macOS and iOS. The name was changed to macOS in 2016 to match iOS and watchOS.
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What are some features of macOS?
macOS, an operating system by Apple Inc., was introduced in 1984 for the Macintosh line of personal computers. It pioneered the graphical user interface (GUI), featuring visual navigation with a mouse pointer, influencing the development of Windows OS.
Later versions introduced internet file sharing, network browsing, and multiple user accounts. macOS X, launched in 2001, was a major redesign based on the NextStep system and offered memory protection, preemptive multitasking, a versatile Finder, the Aqua interface, and a convenient Dock bar. Updates included automated backups and a Dashboard manager for widgets.
Since 2007, Apple has emphasized macOS connectivity with mobile devices like iPhones and iPads. iCloud, introduced in 2011, enables data sharing across Apple devices. In 2016, it was renamed macOS to align with iOS and watchOS.
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How has macOS changed over time?
The macOS operating system, launched in 1984 with Apple's Macintosh, pioneered the graphical user interface (GUI), influencing Microsoft's Windows. Initially known as System Software, its intuitive Finder allowed users to navigate files and folders using a mouse, a departure from text-based prompts.
Later versions introduced internet file sharing, network browsing, and multiple user accounts. In 2001, Mac OS X, based on NeXT Computers technology, brought memory protection, preemptive multitasking, and the Aqua interface.
With the rise of mobile devices like the iPhone and iPad, macOS emphasized connectivity through features like iCloud for data sharing. The OS was renamed macOS in 2016 to align with iOS and watchOS.
1 Britannica SourceCreated from Britannica articles using AI. AI can make mistakes, so verify using Britannica articles.
macOS, operating system (OS) developed by the American computer company Apple Inc. The OS was introduced in 1984 to run the company’s Macintosh line of personal computers (PCs). The Macintosh heralded the era of graphical user interface (GUI) systems, and it inspired Microsoft Corporation to develop its own GUI, the Windows OS.
Apple’s marketing for the introduction of the Macintosh focused heavily on its operating system’s intuitive ease of use. Unlike virtually all other contemporary PCs, the Mac OS (initially designated simply System Software, with a version number appended) was graphically based. Rather than typing commands and directory paths at text prompts, users moved a mouse pointer to visually navigate the Finder—a series of virtual folders and files, represented by icons. Most computer operating systems eventually adopted the GUI model. In the 1980s Apple made an agreement allowing Microsoft to use certain aspects of the Mac interface in early versions of Windows. However, except for a brief period in the 1990s, Mac OS has never been licensed for use with computers made by manufacturers other than Apple.
Later Mac OS releases introduced features such as Internet file sharing, network browsing, and multiple user accounts. In 1996 Apple acquired rival NeXT Computers, which was founded by Steve Jobs after his departure from Apple, and in 2001 the company rolled out Mac OS X, a major redesign based on both the NextStep system and Apple’s most recent OS release. OS X ran on a UNIX kernel (core software code) and offered technical advances such as memory protection and preemptive multitasking, along with a more versatile Finder, an elegant-looking interface called Aqua, and a convenient graphical “Dock” bar for launching frequently used applications. Updates to OS X added features such as automated backups and a “Dashboard” manager for small, handy applications called widgets.
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From 2007 Apple unveiled a number of mobile devices that could access the Internet, including the iPhone smartphone and the iPad tablet computer. Apple soon emphasized the ability of OS X to connect with these devices. In 2011 Apple introduced iCloud, a cloud computing service that allowed users to share data among all of their Apple devices, for both OS X and the mobile operating system iOS. Apple added more features allowing connectivity between devices to successive updates of OS X, iOS, and later watchOS (the operating system for the Apple Watch smartwatch). These features included the ability to receive phone calls (made to the iPhone) and the means of quickly sharing data (such as photos and text) among devices. In 2016 Apple renamed the system macOS to match the names iOS and watchOS.