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Mar 21, 2024 · A complete list of every version of Mac OS X and macOS in order, from the first to the current version of macOS. Here's every Mac operating system since Mac OS X launched.
- Karen Haslam
MacOS, operating system developed by the American computer company Apple Inc. The OS was introduced in 1984 to run the company’s Macintosh line of personal computers, which heralded the era of graphical user interface systems, in which users used a mouse pointer to visually navigate between folders and files.
- The Editors of Encyclopaedia Britannica
- Cheetah. Apple's first major OS X release, known as Cheetah, was a radical change from the previous Mac OS 9, Apple's Classic Operating System. Announced at the 2000 Macworld Expo in San Francisco, Mac OS X 10.0 introduced the new Aqua User Interface, which showcased title bars with a brushed metal look, brightly colored buttons on windows and photo-realistic icons.
- Puma. OS X Puma was announced at the 2001 Macworld Expo in New York. It provided faster menu navigation and log-in as well as configurable options, such as a movable Dock and new system menus with controls for volume, battery life and AirPort access on the menu bar.
- Jaguar. While earlier versions of OS X did have jungle cat names, they were not used for marketing purposes until OS X Jaguar. Announced at the 2002 Macworld Expo, it featured an updated Mail app that placed spam in a junk folder.
- Panther. Apple announced OS X Panther at WWDC 2003. It included Exposé, a useful feature that let users instantly view all open windows at once, view windows of a current program or just view files on the desktop.
macOS was first released in 1999 as Mac OS X Server 1.0. It was built using the technologies Apple acquired from NeXT, but did not include the signature Aqua user interface (UI). The desktop version aimed at regular users— Mac OS X 10.0 —shipped in March 2001.
- Mac OS X 10.0 (Cheetah) March 24, 2001: Aqua interface is born with Mac OS X Cheetah. It’s a big step in the evolution of graphical interfaces, with 2D and 3D graphics support, granting an all-new visual experience.
- Mac OS X 10.1 (Puma) September 25, 2001: As you might have noticed, the first generation of Apple’s operating systems was named after animals. Puma arrived with a solid performance boost and a few other functional improvements such as simplified CD and DVD burning, new features in Finder, and more extensive printer support.
- Mac OS X 10.2 (Jaguar) August 23, 2002: The third release of Mac OS X added search to Finder (can you imagine it, Finder used to exist without it!) Jaguar also brings MPEG-4 support for QuickTime, a range of privacy features, and, for the first time, Accessibility API called Universal Access.
- Mac OS X 10.3 (Panther) October 24, 2003: Meet Safari! The first official web browser made by Apple replaces Internet Explorer on Mac. In fact, Safari was available on Jaguar but it’s the first release where it becomes a default browser.
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 1997, was pre-installed on every Macintosh until 2002 and offered on Macintosh clones for a short time in the 1990s.
Development. The heritage of what would become macOS had originated at NeXT, a company founded by Steve Jobs following his departure from Apple in 1985. There, the Unix-like NeXTSTEP operating system was developed, before being launched in 1989.