12/28/2021

Current Mac Os Operating System

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See full list on setapp.com. Choose About This Mac to find the current mac OS version. This action opens a window with information about the Mac that you are using, displaying the name of your macOS version first, in a larger font, followed by its version number. In our case, the name of the version is macOS Big Sur, and the version number is 11.0.1. The history of macOS, Apple's current Mac operating system formerly named Mac OS X until 2012 and then OS X until 2016, began with the company's project to replace its 'classic' Mac OS. That system, up to and including its final release Mac OS 9, was a direct descendant of the operating system Apple had used in its Macintosh computers since. Use About This Mac to check the version of Mac operating system installed, and find out whether it's the latest (newest, most recent) version. Which macOS version is installed? From the Apple menu in the corner of your screen, choose About This Mac.

The family of Macintosh operating systems developed by Apple Inc. includes the graphical user interface-based operating systems it has designed for use with its Macintosh series of personal computers since 1984, as well as the related system software it once created for compatible third-party systems.

In 1984, Apple debuted the operating system that is now known as the “Classic” Mac OS with its release of the original Macintosh System Software. The system, rebranded “Mac OS” in 1996, was preinstalled on every Macintosh until 2002 and offered on Macintosh clones for a short time in the 1990s. Noted for its ease of use, it was also criticized for its lack of modern technologies compared to its competitors.

The current Mac operating system is macOS, originally named “Mac OS X” until 2012 and then “OS X” until 2016. Developed between 1997 and 2001 after Apple’s purchase of NeXT, Mac OS X brought an entirely new architecture based on NeXTSTEP, a Unix system, that eliminated many of the technical challenges that faced the classic Mac OS. The current macOS is preinstalled with every Mac and is updated annually. It is the basis of Apple’s current system software for its other devices, iOS, watchOS, and tvOS.

Classic Mac OS

The “classic” Mac OS is the original Macintosh operating system that was introduced in 1984 alongside the first Macintosh and remained in primary use on Macs through 2001.

Apple released the original Macintosh on January 24, 1984; its early system software was partially based on the Lisa OS and the Xerox PARC Alto computer, which former Apple CEO Steve Jobs previewed. It was originally named “System Software”, or simply “System”; Apple rebranded it as “Mac OS” in 1996 due in part to its Macintosh clone program that ended a year later.

Releases

Nine major versions of the classic Mac OS were released. The name “Classic” that now signifies the system as a whole is a reference to a compatibility layer that helped ease the transition to Mac OS X.

  • Macintosh System Software – “System 1”, released in 1984
  • System Software 2, 3, and 4 – released between 1985 and 1987
  • System Software 5 – released in 1987
  • System Software 6 – released in 1988
  • System 7 / Mac OS 7.6 – released in 1991
  • Mac OS 8 – released in 1997
  • Mac OS 9 – final major version, released in 1999

Mac OS X / OS X / macOS

macOS (originally named “Mac OS X” until 2012 and then “OS X” until 2016) is the current Mac operating system that officially succeeded the classic Mac OS in 2001.

Although the system was originally marketed as simply “version 10” of Mac OS, it has a history that’s largely independent of the classic Mac OS. It is a Unix-based operating system built on NeXTSTEP and other technology developed at NeXT from the late 1980s until early 1997, when Apple purchased the company and its CEO Steve Jobs returned to Apple. Precursors to the original release of Mac OS X include OpenStep, Apple’s Rhapsody project, and the Mac OS X Public Beta.

macOS makes use of the BSD codebase and the XNU kernel, and its core set of components is based upon Apple’s open source Darwin operating system.

Current mac os operating systemCurrent mac os operating system

Releases

Desktop

The first desktop version of the system was released on March 24, 2001, supporting the Aqua user interface. Since then, several more versions adding newer features and technologies have been released. Since 2011, new releases have been offered on an annual basis.

  • Mac OS X 10.0 – code name “Cheetah”, released in 2001
  • Mac OS X 10.1 – code name “Puma”, released in 2001
  • Mac OS X 10.2 – also marketed as “Jaguar”, released in 2002
  • Mac OS X Panther – version 10.3, released in 2003
  • Mac OS X Tiger – version 10.4, released in 2005
  • Mac OS X Leopard – version 10.5, released in 2007
  • Mac OS X Snow Leopard – version 10.6, released in 2009
  • Mac OS X Lion – version 10.7, released in 2011
  • OS X Mountain Lion – version 10.8, released in 2012
  • OS X Mavericks – version 10.9, released in 2013
  • OS X Yosemite – version 10.10, released in 2014
  • OS X El Capitan – version 10.11, released in 2015
  • macOS Sierra – version 10.12, released in 2016
  • macOS High Sierra – version 10.13, released in 2017

Server

An early server computing version of the system was released in 1999 as a technology preview. It was followed by several more official server-based releases. Server functionality has instead been offered as an add-on for the desktop system since 2011.

  • Mac OS X Server 1.0 – code name “Hera”, released in 1999
  • macOS Server – several releases since 2001

The family of Macintosh operating systems developed by Apple Inc. includes the graphical user interface-based operating systems it has designed for use with its Macintosh series of personal computers since 1984, as well as the related system software it once created for compatible third-party systems.

In 1984, Apple debuted the operating system that is now known as the “Classic” Mac OS with its release of the original Macintosh System Software. The system, rebranded “Mac OS” in 1996, was preinstalled on every Macintosh until 2002 and offered on Macintosh clones for a short time in the 1990s. Noted for its ease of use, it was also criticized for its lack of modern technologies compared to its competitors.

The current Mac operating system is macOS, originally named “Mac OS X” until 2012 and then “OS X” until 2016. Developed between 1997 and 2001 after Apple’s purchase of NeXT, Mac OS X brought an entirely new architecture based on NeXTSTEP, a Unix system, that eliminated many of the technical challenges that faced the classic Mac OS. The current macOS is preinstalled with every Mac and is updated annually. It is the basis of Apple’s current system software for its other devices, iOS, watchOS, and tvOS.

Classic Mac OS

The “classic” Mac OS is the original Macintosh operating system that was introduced in 1984 alongside the first Macintosh and remained in primary use on Macs through 2001.

Apple released the original Macintosh on January 24, 1984; its early system software was partially based on the Lisa OS and the Xerox PARC Alto computer, which former Apple CEO Steve Jobs previewed. It was originally named “System Software”, or simply “System”; Apple rebranded it as “Mac OS” in 1996 due in part to its Macintosh clone program that ended a year later.

Releases

Nine major versions of the classic Mac OS were released. The name “Classic” that now signifies the system as a whole is a reference to a compatibility layer that helped ease the transition to Mac OS X.

  • Macintosh System Software – “System 1”, released in 1984
  • System Software 2, 3, and 4 – released between 1985 and 1987
  • System Software 5 – released in 1987
  • System Software 6 – released in 1988
  • System 7 / Mac OS 7.6 – released in 1991
  • Mac OS 8 – released in 1997
  • Mac OS 9 – final major version, released in 1999

Mac OS X / OS X / macOS

macOS (originally named “Mac OS X” until 2012 and then “OS X” until 2016) is the current Mac operating system that officially succeeded the classic Mac OS in 2001.

Although the system was originally marketed as simply “version 10” of Mac OS, it has a history that’s largely independent of the classic Mac OS. It is a Unix-based operating system built on NeXTSTEP and other technology developed at NeXT from the late 1980s until early 1997, when Apple purchased the company and its CEO Steve Jobs returned to Apple. Precursors to the original release of Mac OS X include OpenStep, Apple’s Rhapsody project, and the Mac OS X Public Beta.

macOS makes use of the BSD codebase and the XNU kernel, and its core set of components is based upon Apple’s open source Darwin operating system.

Current Mac Os Operating System

Releases

Latest Macos Operating System Download

Desktop

The first desktop version of the system was released on March 24, 2001, supporting the Aqua user interface. Since then, several more versions adding newer features and technologies have been released. Since 2011, new releases have been offered on an annual basis.

History Of Mac Os Operating System

  • Mac OS X 10.0 – code name “Cheetah”, released in 2001
  • Mac OS X 10.1 – code name “Puma”, released in 2001
  • Mac OS X 10.2 – also marketed as “Jaguar”, released in 2002
  • Mac OS X Panther – version 10.3, released in 2003
  • Mac OS X Tiger – version 10.4, released in 2005
  • Mac OS X Leopard – version 10.5, released in 2007
  • Mac OS X Snow Leopard – version 10.6, released in 2009
  • Mac OS X Lion – version 10.7, released in 2011
  • OS X Mountain Lion – version 10.8, released in 2012
  • OS X Mavericks – version 10.9, released in 2013
  • OS X Yosemite – version 10.10, released in 2014
  • OS X El Capitan – version 10.11, released in 2015
  • macOS Sierra – version 10.12, released in 2016
  • macOS High Sierra – version 10.13, released in 2017

Server

An early server computing version of the system was released in 1999 as a technology preview. It was followed by several more official server-based releases. Server functionality has instead been offered as an add-on for the desktop system since 2011.

Current Mac Os Operating System

  • Mac OS X Server 1.0 – code name “Hera”, released in 1999
  • macOS Server – several releases since 2001
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