After this, the Apple started naming its releases after big cats, which lasted until OS X 10.8 Mountain Lion. The desktop version of the Mac OS X 10.0, was released in March 2001, with its first update, 10.1 arrived a year later. It is the second most widely used desktop OS after the Microsoft Windows.
It is the primary operating system for Apple’s Mac family of computers. It was noted as easy to use and featured cooperative multitasking for the most of its history. The Mac OS is characterized by its monolithic system. In 1996 Apple rebranded it as Mac OS, due in part to its Macintosh clone program which ended a year later. It was originally named “System Software”, or simply “System”. It is the early system software which was partially based on the Lisa OS and Xerox PARC Alto computer. Apple released the original Macintosh on January 24, 1984. Mac Os is a series of graphical operating systems, which was developed and marketed by Apple Inc.
