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In 1981, the company unveiled the DN100 workstation, which used the Motorola 68000 microprocessor. Apollo workstations ran Aegis (later renamed Domain/OS), a proprietary operating system with a Posix-compliant Unix alternative frontend. Apollo's networking was particularly elegant, among the first to allow demand paging over the network, and allowing a degree of network transparency and low sysadmin-to-machine ratio that is still unmatched.
From 1980 to 1987, Apollo was the largest manufacturer of network workstations. At the end of 1987, it was third in market share after Digital Equipment CorporationDigital Equipment Corporation is a pioneering company in the American computer industry. They are generally referred to within the computing industry as DEC . This acronym was once officially used by DEC itself Digital Equipment Corporation#References|[1] and Sun Microsystems, but ahead of Hewlett-PackardThe Hewlett-Packard Company ( NYSE: HPQ , commonly known as HP is a very large, global company headquartered in Palo Alto, California, United States. Its products are concentrated in the fields of computing, printing, and digital imaging. It also sells so and IBMThis article is about the International Business Machines Corporation; see IBM (disambiguation) for other uses of this abbreviation. International Business Machines Corporation IBM or colloquially, Big Blue (incorporated June 15, 1911, in operation since. Apollo's largest customers were Mentor GraphicsMentor Graphics Inc is a US-based multinational corporation dealing in electronic design automation (EDA) for electrical engineering and electronics, as of 2004, ranked third in the EDA industry. The company distributes the following tools. Electronic des (electronic design), GMGM redirects here. This article is about General Motors . For other uses, see GM (disambiguation). General Motors Corporation also known as GM is a United States-based automobile maker with worldwide operations and brands including Buick, Cadillac, Chevro, Ford, Chrysler, and BoeingThe Boeing Company ( NYSE:BA) is a leading American aircraft and aerospace manufacturer, headquartered in Chicago, Illinois, with its largest production facilities near Seattle, Washington. It is also a defense contractor. It is listed on the New York Sto (mechanical design).
Apollo was acquired by Hewlett-Packard in 1989 for US $476 million, and gradually closed down over the period 1990-1997.
Apollo also invented the revision control system DSEE ( Domain Software Engineering Environment) which was later to become Rational ClearCase.