MacOS

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.Latest release: 11.4 (20F71) (May 24, 2021) Initial release date: 24 March 2001 Default user interface: Aqua (Graphical user interface) Programming languages: C, C++, Swift, Objective-C, Assembly language OS family: Unix, Macintosh operating systems Developer: Apple, Gfycat, Skylum, Feral Interactive, The Omni Group, Freeverse Inc., Pyramid Technology