macOS (Operating System) – Explained

mac book OS

What is MacOS?

macOS fully known as Mac operating System (previously called Mac OS X and later OS X) is a set of established graphical operating systems promoted and built by Apple Inc. since in the year 2001. It is the first operating system for Apple’s Mac computers. Within the bourse of desktop, laptop, and home computers, and by web usage, it is the second most used desktop OS after Microsoft Windows.

macOS use the Unix operating system and technologies designed and built between 1985 and 1997 at NeXT company, which was founded by Steve Jobs after leaving Apple in the year 1985. In the previous names (Mac OS X and the OS X), the letter “X” stands for the number ten (roman numeral) and is pronounced against the roman numeral.

The term was a notable element of the Mac operating system’s brand identity, it was selling real fast in the good old early years, but reduced continuously and decreased after the release of Snow Leopard in the year 2009.

The UNIX 03 certification was achieved for the Intel version of Mac OS X 10.5 Leopard, and all updates from Mac OS X 10.6 Snow Leopard up to the latest version also have UNIX 03 certification. macOS bestows its Unix-based core, named Darwin, and several of its frameworks with iOS, tvOS, watchOS, and iPadOS. A dominant updated higher version of Mac OS X 10.4 Tiger was adopted for the first-generation Apple TV.

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