Mandoor corp.

Mandoor Corporation is a software company founded in 1973, it is famous for the LavaOS Operating System and MandoorCom microcomputers.

1970s Supercomputers operating systems

 * Mandoor 4800 System Manager (1974)
 * Mandoor 9800 System Manager (1975)
 * The Mandoor Office Manager (1976-1986)

Home operating systems

 * MandoorCom OS (1983-????)
 * StoneOS (198X-2001)
 * LavaOS (2003-Now)

MandoorCom
MandoorCom is a 1983 home microcomputer, it had a very low price compared with IBM PC and Apple II. It has these features:
 * 32 MB hard disk
 * 256 KB RAM
 * MandoorCom OS 1.0
 * Intel 80186 CPU

First Mandoor Generation (1974-1982)

 * IBM supercomputers
 * Unix supercomputers

Second Mandoor Generation (1983-198x)

 * IBM PC and PC-DOS
 * MS-DOS
 * Apple II
 * TigerDOS

Third Mandoor Generation (198x-1989)

 * Macintosh
 * Windows 1.0 and 2.0
 * PC Engine System Manager (The computer operating system version of PC Engine)

Fourth Mandoor Generation (1989-2001)

 * JaguarOS
 * Windows 3.0
 * Macintosh System 7

Fith Mandoor Generation (2001-2014)

 * Windows XP
 * WaterOS Until (2016)
 * macOS X Until (2009)