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The Ceres Workstation was a computer built by Niklaus Wirth's group around 1985. Ceres was a workstation based on the NS320xx a CPU by National Semiconductor. Ceres was a follow-up project to the Lilith, a machine based on AMD bit-slice technology and the programming language Modula-2. The operating system of Ceres, called "The Oberon System" was completely written in the programming language Oberon. It is an early example of an object oriented operating system utilizing garbage collection on the system level. On the same hardware (Clemens Szyperski ) implemented as part of his PhD〔Clemens Alden Szyperski, Insight ETHOS: On Object Orientation in Operating Systems. 1992. (electronic reprint ).〕 an operating system, called ETHOS, which was taking full advantage of object oriented technologies. Unfortunately, the sources of ETHOS were not available in the beginning, and/or have been lost in the meantime. According to a posting of Clemens Szyperski on usenet〔Usenet, (comp.lang.oberon 2-Apr-1995 ) Information on ETHOS〕 the BlackBox Component Builder, formerly known as Oberon/F, incorporates many of his ideas and principles. ==Links== * (ETH Computer Science History ) * (Ceres-1 ) and (Ceres-3 ) at the Computer History Museum, Mountain View, California, USA (see also its publications, especially pages 6 & 7 of (Core 3.1 )) * (Hardware Description of the Workstation Ceres ) ETH Technical Report 70 * (Hardware Description of the Workstation Ceres-3 ) ETH Technical Report 168 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Ceres (workstation)」の詳細全文を読む スポンサード リンク
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