Mac OS X Leopard (version 10.5) is the sixth major release of macOS, Apple's desktop and server operating system for Macintosh computers. Leopard was...

Mac OS X Snow Leopard (version 10.6) (also referred to as OS X Snow Leopard) is the seventh major release of macOS, Apple's desktop and server operating...

Mac OS X Server is a series of discontinued Unix-like server operating systems developed by Apple Inc. based on macOS. It provided server functionality...

first desktop version, Mac OS X 10.0, was released on March 24, 2001. All releases from Mac OS X Leopard onward (except for OS X Lion) are UNIX 03 certified...

The history of macOS, Apple's current Mac operating system formerly named Mac OS X until 2011 and then OS X until 2016, began with the company's project...

Mac OS X Tiger (version 10.4) is the 5th major release of macOS, Apple's desktop and server operating system for Mac computers. Tiger was released to the...

introduced in Mac OS X Leopard (10.5) and expanded in Mac OS X Snow Leopard (10.6). The feature originated in version 10.7.3 of Mac OS X Lion as the command-line...

Apple's "Back to the Mac" event. First launched on January 6, 2011, as part of the free Mac OS X 10.6.6 update for all current Snow Leopard users, Apple began...

iMovie 2, followed by Mac OS X 10.0 the following year. Aqua is the successor to Platinum, which was used in Mac OS 8, Mac OS 9, and developer releases...

OS X Yosemite 10.10, OS X Mavericks 10.9, OS X Mountain Lion 10.8, OS X Lion 10.7, OS X Lion Server 10.7, Mac OS X Snow Leopard Server 10.6, Mac OS X...