Mandoor 9800 System Manager

Mandoor 9800 System Manager was the second ever Mandoor operating system, it was developed and released on mid 1975 by The Mandoor Computing Group Co. (Actually known as Mandoor Corporation)

It is designed for the The Mandoor 980 boards, and The Mandoor 980b boards, it also is compatible with clone boards (Boards that are designed for be compatible with the Mandoor boards)