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| | Unix - Wikipedia, the free encyclopedia |
 | | In 1984, an industry group called X/Open was formed, with the aim of forming compatible open systems, that is, standardize the UNIX systems. |
 | | ATandT added various features into UNIX System V, such as file locking, system administration, job control (modelled on ITS), streams, the Remote File System and TLI. |
 | | ATandT cooperated with Sun Microsystems and between 1987 and 1989 merged Xenix, BSD, SunOS, and System V into System V Release 4 (SVR4), independently of X/Open. |
| en.wikipedia.org /wiki/Unix (3667 words) |
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