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Engineering LibreTexts

1.16: Berkeley Unix

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  • Though not officially tied to the IETF, the Berkeley Unix releases became de facto reference implementations for most of the TCP/IP protocols. 4.1BSD (BSD for Berkeley Software Distribution) was released in 1981, 4.2BSD in 1983, 4.3BSD in 1986, 4.3BSD-Tahoe in 1988, 4.3BSD-Reno in 1990, and 4.4BSD in 1994. Descendants today include FreeBSD, OpenBSD and NetBSD. The TCP implementations TCP Tahoe and TCP Reno (13 TCP Reno and Congestion Management) took their names from the corresponding 4.3BSD releases.

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