Mandoor 4800 System Manager

Mandoor 4800 System Manager was the first ever Mandoor operating system, it was developed and released on 1974 by The Mandoor Computing Group Co. (Actually known as Mandoor Corporation)

It is designed for the The Mandoor 480 boards, and The Mandoor 480b boards, it also is compatible with clone boards (Boards that are designed for be compatible with the Mandoor boards)