| Year | Event |
|---|---|
| 1978 | In June 1978, Apple introduced Apple DOS 3.1, the first operating system for the Apple computers. |
| 1984 | Apple introduced System 1 in 1984. |
| 1985 | Apple introduced System 2 in 1985. |
| 1986 | Apple introduced System 3 in 1986. |
| 1987 | Apple introduced System 4 in 1987. |
| 1988 | Apple introduced System 6 in 1988. |
| 1991 | Apple introduced System 7 operating system on May 13, 1991. |
| 1995 | Apple allows other computer companies to clone its computer by announcing its licensed the Macintosh operating system rights to Radius on January 4. |
| 1997 | Apple introduced macOS 8 in 1997. |
| 1997 | Apple buys NeXT Software Inc. for $400 million and acquires Steve Jobs, Apple co-founder, as a consultant. |
| 1999 | Apple introduced macOS 9 in 1999. |
| 1999 | Apple released macOS X Server 1.0 on March 16, 1999. |
| 2001 | Apple introduced macOS X 10.0, code-named Cheetah, and became available on March 24, 2001. |
| 2001 | Apple introduced macOS X 10.1, code-named Puma, and became available on September 25, 2001. |
| 2002 | Apple introduced macOS X 10.2, code-named Jaguar, and became available on August 23, 2002. |
| 2003 | Apple introduced macOS X 10.3, code-named Panther, on October 25, 2003. |
| 2004 | Apple introduced macOS X 10.4, code-named Tiger, at the WWDC on June 28, 2004. |
| 2007 | Apple introduced macOS X 10.5, code-named Leopard, on October 26, 2007. |
| 2008 | Apple introduced MobileMe at the WWDC on June 9, 2008. |
| 2009 | Apple introduced macOS X 10.6, code-named Snow Leopard, at the WWDC on June 8, 2009. |
| 2010 | Apple introduced macOS X 10.7, code-named Lion, at the 'Back to the Mac' event on October 20, 2010. The operating system was later released on July 20, 2011. New features included AirDrop, Gatekeeper, and many more. |
| 2012 | Apple released macOS X 10.8, code-named Mountain Lion, on July 25, 2012. |
| 2013 | Apple introduced macOS X 10.9, code-named Mavericks, at the WWDC on June 10, 2013. |
| 2014 | Apple introduced macOS X 10.10, code-named Yosemite, at the WWDC on June 2, 2014. |
| 2014 | Apple introduced Force Touch, a haptic feedback system for macOS. Simultaneously, they launch a similar feedback system for iOS called 3D Touch. |
| 2015 | Apple introduced macOS X 10.11, code-named El Capitan, at the WWDC on June 8, 2015. |
| 2016 | Apple introduced macOS X 10.12, code-named Sierra, at the WWDC on June 13, 2016. |
| 2017 | Apple introduced macOS X 10.13, code-named High Sierra, at the WWDC on June 5, 2017. |
| 2018 | Apple introduced macOS X 10.14, code-named Mojave, at the WWDC on June 4, 2018. |
| 2018 | Apple introduced Dark Mode in macOS X 10.14 (Mojave), a feature that turns the background to black and text to white. Dark Mode is easier on users' eyes at night, reducing eye strain. |
| 2019 | Apple introduced macOS X 10.15, code-named Catalina, at the WWDC on June 3, 2019. |
Windows Operating System
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Macintosh Operating System History
- Mac OS is a computer operating system developed by Apple.This is a operating system with beautiful interface, however, to own a the computer of Apple with this operating system, you need to use a lot of money, normally with the double price than that of common computers using Windows operating system.
- Macintosh Operating System: The Macintosh Operating System (Mac OS) is an operating system (OS) designed by Apple Inc. To be installed and operated on the Apple Macintosh series of computers. Introduced in 1984, it is a graphical user interface (GUI) based OS that has since been released as multiple different versions. Initially, Mac OS was.
- Sep 03, 2018 The Mac OS is a graphical operating system developed by Apple Inc. The tenth version of the Mac OS is the Mac OS X which was launched in 2001. The structure of the Mac OS X includes multiple layers. The base layer is Darwin which is the Unix core of the system. Next layer is the graphics system which contains Quartz, OpenGL and QuickTime.
