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All versions of BSD from its inception up to 4.3BSD-Reno are based on Research Unix, with versions starting with 4.4 BSD and Net/2 instead becoming Unix-like. Furthermore, 8th Edition Research Unix and on-wards had a close relationship to BSD. This began by using 4.1cBSD as the basis for the 8th Edition.
Version 7 Unix, the last version of Research Unix to be released widely, was released in 1979. In Version 7, the number of system calls was only around 50, although later Unix and Unix-like systems would add many more: [23] Version 7 of the Research UNIX System provided about 50 system calls, 4.4BSD provided about 110, and SVR4 had around 120 ...
Version 7 in 1979 was the final widely released Research Unix, after which AT&T sold UNIX System III, based on Version 7, commercially in 1982; to avoid confusion between the Unix variants, AT&T combined various versions developed by others and released it as UNIX System V in 1983. However as these were closed-source, the University of ...
UNIX Time-Sharing System v7 (It is from Version 7 Unix (and, to an extent, its descendants listed below) that almost all Unix-based and Unix-like operating systems descend.) Unix System III; Unix System IV; Unix System V. Unix System V Releases 2.0, 3.0, 3.2, 4.0, and 4.2; UNIX Time-Sharing System v8; UNIX Time-Sharing System v9; UNIX Time ...
There are a number of Unix-like operating systems based on or descended from the Berkeley Software Distribution (BSD) series of Unix variant options. The three most notable descendants in current use are FreeBSD, OpenBSD, and NetBSD, which are all derived from 386BSD and 4.4BSD-Lite, by various routes.
Bundled with hardware up to version 3.0 (Amiga International hardware came with 3.1); versions 2.1, 3.0, 3.1, 3.5, 3.9 and the more recent 3.2 (2021) also available as separate packages Proprietary, open source clone available under AROS Public License Workstation, personal computer: AmigaOS 4: Hyperion Entertainment 2004 AmigaOS classic
This is an accepted version of this page This is the latest accepted revision, reviewed on 25 January 2025. List of software distributions using the Linux kernel This article has multiple issues. Please help improve it or discuss these issues on the talk page. (Learn how and when to remove these messages) This article relies excessively on references to primary sources. Please improve this ...
NetBSD is a freely redistributable, open source version of the Unix-derivative Berkeley Software Distribution (BSD) computer operating system. It was the second open source BSD descendant to be formally released, after 386BSD, and continues to be actively developed.