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BSD licenses are a family of permissive free software licenses, imposing minimal restrictions on the use and distribution of covered software. This is in contrast to copyleft licenses, which have share-alike requirements. The original BSD license was used for its namesake, the Berkeley Software Distribution (BSD), a Unix-like operating system.
- Permissive Free Software Licenses
A permissive software license, sometimes also called...
- Berkeley Software Distribution
The Berkeley Software Distribution or Berkeley Standard...
- Permissive Free Software Licenses
A permissive software license, sometimes also called BSD-like or BSD-style license, [1] is a free-software license which instead of copyleft protections, carries only minimal restrictions on how the software can be used, modified, and redistributed, usually including a warranty disclaimer.
- Grants all rights
- PD, CC0
- PD, CC0
- History
- Technology
- BSD Descendants
- See Also
- Bibliography
- External Links
The earliest distributions of Unix from Bell Labs in the 1970s included the source code to the operating system, allowing researchers at universities to modify and extend Unix. The operating system arrived at Berkeley in 1974, at the request of computer science professor Bob Fabry who had been on the program committee for the Symposium on Operating...
Berkeley sockets
Berkeley's Unix was the first Unix to include libraries supporting the Internet Protocol stacks: Berkeley sockets. A Unix implementation of IP's predecessor, the ARPAnet's NCP, with FTP and Telnet clients, had been produced at the University of Illinois in 1975, and was available at Berkeley.However, the memory scarcity on the PDP-11 forced a complicated design and performance problems. By integrating sockets with the Unix operating system's file descriptors, it became almost as easy to read...
Binary compatibility
Some BSD operating systems can run native software of several other operating systems on the same architecture, using a binary compatibility layer. This is much simpler and faster than emulation; for example, it allows applications intended for Linuxto be run at effectively full speed. This makes BSDs not only suitable for server environments, but also for workstation ones, given the increasing availability of commercial or closed-source software for Linux only. This also allows administrator...
Standards
Current BSD operating system variants support many of the common IEEE, ANSI, ISO, and POSIX standards, while retaining most of the traditional BSD behavior. Like AT&T Unix, the BSD kernel is monolithic, meaning that device drivers in the kernel run in privileged mode, as part of the core of the operating system.
Several operating systems are based on BSD, including FreeBSD, OpenBSD, NetBSD, MidnightBSD, MirOS BSD, GhostBSD, Darwin and DragonFly BSD. Both NetBSD and FreeBSD were created in 1993. They were initially derived from 386BSD (also known as "Jolix"), and merged the 4.4BSD-Lite source code in 1994. OpenBSD was forkedfrom NetBSD in 1995, and DragonFl...
Marshall K. McKusick, Keith Bostic, Michael J. Karels, John S. Quartermain, The Design and Implementation of the 4.4BSD Operating System (Addison Wesley, 1996; ISBN 978-0-201-54979-9)Marshall K. McKusick, George V. Neville-Neil, The Design and Implementation of the FreeBSD Operating System (Addison Wesley, August 2, 2004; ISBN 978-0-201-70245-3)Samuel J. Leffler, Marshall K. McKusick, Michael J. Karels, John S. Quarterman, The Design and Implementation of the 4.3BSD UNIX Operating System (Addison Wesley, November 1989; ISBN 978-0-201-0619...McKusick, Marshall Kirk (January 1999). "Twenty Years of Berkeley Unix – From AT&T-Owned to Freely Redistributable". In DiBona, Chris; Ockman, Sam; Stone, Mark (eds.). Open Sources: Voices from the...The 3-Clause BSD License SPDX short identifier: BSD-3-Clause Note: This license has also been called the “New BSD License” or “Modified BSD License”.
The BSD license (Berkeley Source Distribution) is part of the low restriction FOSS (Free and Open Source Software) family of licenses. It can be used to distribute open source, freeware and shareware projects as it does not put any restrictions on the redistribution of software.
Key Points. Free software license, with minimal restrictions on redistribution. Does not have share-alike requirements like copyleft. Allows proprietary use and allows incorporation into proprietary products.
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Jul 22, 2023 · The BSD license may be more attractive than the GPL. BSD can execute most Linux binaries, while Linux can not execute BSD binaries. Many BSD implementations can also execute binaries from other UNIX® like systems.
