macOS is a proprietary graphical operating system developed and marketed by Apple Inc. since 2001. It is the primary operating system for Apple's Mac computers.

What is the purpose of macOS?

macOS is the operating system that powers every Mac. It lets you do things you simply can't do with other computers. That's because it's designed specifically for the hardware it runs on — and vice versa. macOS comes with an entire suite of beautifully designed apps.

What is a macOS device?

Mac OS is the computer operating system for Apple Computer's MacIntosh line of personal computers and workstations. A popular feature of its latest version, Mac OS X , is a desktop interface with some 3-D appearance characteristics. ... Mac OS comes with Apple Computer's iMac and Power Macintosh line of computers.