Mac os

Mac OS is a series of graphical user interface–based operating systems developed by Apple Inc. for their Macintosh line of computer systems.

 

The original operating system was first introduced in 1984 as being integral to the original Macintosh, and referred to as the "System". Referred to by its major revision starting with "System 6" and "System 7", Apple rebranded version 7.6 as "Mac OS" as part of their Macintosh clone program in 1996. The Macintosh, specifical