macOS

Operating system for Apple computers, launched in 2001 as Mac OS X
trends
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logo image
media legend
Das Logo von MacOS (german)
inception
March 24, 2001
alias
Mac OS X
Mac OS
Mac OS 10
Macintosh Operating System X
OS X
OSX
official name
macOS (english)
start time
2016
preferred
macOS (german)
start time
2016
OS X (english)
start time
2012
end time
2016
OS X (german)
start time
2012
end time
2016
Mac OS X (english)
end time
2012
NextStep (english)
Mac OS X (german)
end time
2012
OPENSTEP (german)
publication date
March 24, 2001
official website
applies to jurisdiction
preferred
applies to jurisdiction
applies to jurisdiction
media
Stack Exchange tag
Commons category
MacOS
software version identifier
10.15.2
publication date
December 10, 2019
version type
preferred
10.15.1
publication date
October 30, 2019
10.15
publication date
October 7, 2019
title
Catalina (Englisch) (english)
10.14.6 Sicherheits-Ergänzungsupdate
publication date
August 26, 2019
version type
10.14.6
publication date
July 22, 2019
version type
10.14.3
publication date
February 7, 2019
version type
10.14.4 beta 2
publication date
February 5, 2019
10.14.2
publication date
December 5, 2018
10.14
publication date
September 24, 2018
title
Mojave (english)
10.14 beta 4
publication date
July 16, 2018
title
Mojave (english)
10.13.6
publication date
July 9, 2018
title
High Sierra (english)
version type
10.13.5
publication date
June 1, 2018
10.10.4
publication date
June 30, 2015
Wikibooks URL
Wikipedia creation date
9/30/2001
Wikipedia incoming links count
Wikipedia opening text
macOS (/ˌmækoʊˈɛs/; previously Mac OS X and later OS X) is a series of proprietary graphical operating systems developed and marketed by Apple Inc. since 2001. It is the primary operating system for Apple's Mac computers. Within the market of desktop, laptop and home computers, and by web usage, it is the second most widely used desktop OS, after Microsoft Windows. macOS is the second major series of Macintosh operating systems. The first is colloquially called the classic Mac OS, which was introduced in 1984, and the final release of which was Mac OS 9 in 1999. The first desktop version, Mac OS X 10.0, was released in March 2001, with its first update, 10.1, arriving later that year. After this, Apple began naming its releases after big cats, which lasted until OS X 10.8 Mountain Lion. Since OS X 10.9 Mavericks, releases have been named after locations in California. Apple shortened the name to "OS X" in 2012 and then changed it to "macOS" in 2016, adopting the nomenclature that they were using for their other operating systems, iOS, watchOS, and tvOS. The latest version is macOS Catalina, which was publicly released in October 2019. Between 1999 and 2009, Apple sold a separate series of operating systems called Mac OS X Server. The initial version, Mac OS X Server 1.0, was released in 1999 with a user interface similar to Mac OS 8.5. After this, new versions were introduced concurrently with the desktop version of Mac OS X. Beginning with Mac OS X 10.7 Lion, the server functions were made available as a separate package on the Mac App Store. macOS is based on the Unix operating system and on technologies developed between 1985 and 1997 at NeXT, a company that Apple co-founder Steve Jobs created after leaving Apple in 1985. The "X" in Mac OS X and OS X is the Roman numeral for the number 10 and is pronounced as such. The X was a prominent part of the operating system's brand identity and marketing in its early years, but gradually receded in prominence since the release of Snow Leopard in 2009. UNIX 03 certification was achieved for the Intel version of Mac OS X 10.5 Leopard and all releases from Mac OS X 10.6 Snow Leopard up to the current version also have UNIX 03 certification. macOS shares its Unix-based core, named Darwin, and many of its frameworks with iOS, iPadOS, tvOS, and watchOS. A heavily modified version of Mac OS X 10.4 Tiger was used for the first-generation Apple TV. Releases of Mac OS X from 1999 to 2005 ran on the PowerPC-based Macs of that period. After Apple announced that they were switching to Intel CPUs from 2006 onwards, versions were released for 32-bit and 64-bit Intel-based Macs. Versions from Mac OS X 10.7 Lion (2011) run exclusively on 64-bit Intel CPUs, in contrast to the ARM architecture used on iOS and watchOS devices, and do not support PowerPC applications.
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number of subscribers
15,827
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