Apple needed a modern operating system to replace Mac OS 9 and take the Macintosh into the future, so in 2001, Apple released OS X 10.0; Cheetah, as it was affectionately known.
Apple chọrọ usoro sistemụ nke oge a iji dochie Mac os 9 ma were Macintosh n'ime ọdịnihu , ya mere n'afọ 2001, Apple wepụtara OS X 10.0; Cheetah, ebe a maara ya nke ọma.