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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク CB UNIX ： ウィキペディア英語版 CB UNIX Columbus UNIX, or CB UNIX, was a variant of the UNIX operating system used internally at Bell Labs for administrative databases and transaction processing.〔 It was developed at the Columbus, Ohio branch, based on Unix V6, V7 and PWB. It was little-known outside the company. CB UNIX was developed to address deficiencies inherent in Research Unix, notably the lack of interprocess communication (IPC) and file locking, considered essential for a database management system. Several Bell System operation support system products were based on CB UNIX such as Switching Control Center System. The primary innovations were power-fail restart, line disciplines, terminal types, and IPC features. The interprocess communication features developed for CB UNIX were message queues, semaphores and shared memory support. These eventually appeared in mainstream Unix systems starting with System V in 1983, and are now collectively known as System V IPC. ==References== 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「CB UNIX」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.