macOS (previously OS X and originally Mac OS X) is a proprietary Unix-like [11][12] operating system, derived from OPENSTEP for Mach and FreeBSD, which has been marketed and …

OS X is the operating system that powers every Mac. Built on a rock-solid UNIX foundation, it’s engineered to take full advantage of what the hardware is capable of.

Jun 20, 2023 · What is OS X? OS X, also referred to as macOS X or Mac OS X, is Apple's proprietary, Unix -based operating system. Released in 2001 as the successor to Mac OS 9, …

Mar 3, 2025 · macOS is the powerful operating system that runs on all Apple Mac computers, setting these devices apart from Windows and Linux alternatives with its unique capabilities.

Jul 23, 2025 · macOS operating system that Apple Inc. developed especially for its Macintosh computer series. It is the replacement for the classic MacOS. The reliability, security features, …

Dec 31, 2014 · OS X is Apple's operating system that runs on Macintosh computers. It was first released in 2001 and over the next few years replaced Mac OS 9 (also known as Mac OS …

As you run applications on your computer, the OS allocates the resources necessary to complete the task. That can include processing power, memory allocation and computer storage access, …

Sep 7, 2025 · macOS is an operating system designed for Apple Macintosh desktop and laptop computers, such as the iMac and MacBook. It was developed by Apple, who also created the …

OS X Server was introduced in 1999, and the client version came out in 2001. Based on Unix and featuring an entirely redesigned user interface, OS X was a major departure from the previous...

Jun 23, 2021 · Mac OS X (with X representing Roman numeral ten) is an operating system for Apple’s Macintosh computers.