Classic Mac OS is a colloquial term used to describe a series of operating systems developed for the Macintosh family of personal computers by Apple Inc. from 1984 until 2001. The Macintosh operating system is credited with having popularized the graphical user interface concept.What is the last Mac OS?
Released on January 19, 1998, Mac OS 8.1 was the last version of the Mac OS to run on Motorola 68000 series processors. It addressed performance and reliability improvements.What are all the Mac OS names?
Mac OS X & macOS version code names OS X 10 beta: Kodiak - 13 September 2000 OS X 10.0: Cheetah - 24 March 2001 OS X 10.1: Puma - 25 September 2001 OS X 10.2: Jaguar - 24 August 2002 OS X 10.3 Panther (Pinot) - 24 October 2003 OS X 10.4 Tiger (Merlot) - 29 April 2005 [OS X 10.4.4 Tiger (Chardonnay)] OS X 10.5 Leopard (Chablis) - 26 October 2007