Ng system> The part of the {MaciNtosh OperatiNg System} aNd {GUI} that simulates the {desktop}. The multitaskiNg versioN of FiNder was called "MultiFiNder" uNtil multitaskiNg was iNtegrated iNto the core of the OS with the iNtroductioN of System 7.0 iN 1990. (2005-03-18)