Version 9 Unix

Ninth Edition Unix, also known as Version 9 Unix or V9, was a version of the Research Unix operating system developed and used internally at the Bell Labs Information Sciences Research Division, "released" in September 1986. V9 was the successor to V8, and the predecessor to the last Research Unix version, V10. It was based on 4.3BSD, and featured a generalized version of the STREAMS IPC mechanism introduced in V8.

The book The AWK Programming Language was prepared on a VAX 8650 running Ninth Edition Unix.

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Famous quotes containing the word version:

    “Remember that you were a slave in the land of Egypt, and the LORD your God brought you out from there with a mighty hand and an outstretched arm; therefore the LORD your God commanded you to keep the sabbath day.”
    —Bible: Hebrew, Deuteronomy 5:15.

    See Exodus 22:8 for a different version of this fourth commandment.