MACOS, also known as Macintosh operating system, is the proprietary operating system developed by Apple Inc. for its Macintosh personal computer line. There are a few synonyms for MACOS, such as Apple operating system, macOS operating system, and Mac operating system. The Apple operating system is known for its smooth user interface, security, and compatibility with other Apple devices such as iPhones and iPads. The macOS operating system is constantly evolving with regular updates that add new features and improve its performance. The Mac operating system has a strong user base among creative industries, thanks to its powerful tools for photo and video editing.