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UNIX System III
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UNIX System IV
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UNIX System V
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UNIX System V Release 2
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UNIX System V Release 3.0
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UNIX System V Release 3.2
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UNIX System V Release 4
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UNIX System V Release 4.2
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UnixWare 1.1
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UnixWare 1.1.1
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UnixWare 2.0
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UnixWare 2.1
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UnixWare 2.1.2
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UnixWare 7
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UnixWare 7.1
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Open Unix 8 (UnixWare 7.1.2)
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SCO UnixWare 7.1.3