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Distributed Processing Programming Executive was an operating system introduced by IBM, pre-installed on the IBM 8100 and later ported to the ES/9370. ==Brief history== *It was first introduced on the IBM 8100 series, which was released in 1978. *1987 saw the release of Distributed Processing Programming Executive System Product (DPPX/SP) Release 4. *In 1986, IBM decided to cease the IBM 8100 architecture to consolidate its hardware and software families. *In 1988, they released DPPX/370 which ran on the ES/9370 processors (an S/370 model). *By the end of June 1997, DPPX/370 was officially retired. 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「IBM DPPX」の詳細全文を読む スポンサード リンク
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