BSD (Berkeley Software Distribution, sometimes called Berkeley Unix short) is the name of a UNIX distribution developed and distributed between 1977 and 1995 the Computer Systems Research Group (CSRG) at the University of California Berkeley.
BSD is a direct branch of the original UNIX system developed by AT & T. In the 1980 BSD was adopted by a wide range of vendors and distributed in the form of variants such as DEC ULTRIX proprietary and Sun Microsystems SunOS. Although these derivatives have been replaced proprietary UNIX System V 1990 Release 4 and OSF / 1 (including both source code from BSD) BSD versions were later the basis for a series of open-source UNIX derivatives such as FreeBSD, NetBSD , OpenBSD. The development of these systems continues today.
BSD UNIX was the first distribution that included protocol stack TCP / IP. For applications, the stack is in the form of a library system which is called sockets Berkeley. It integrates data transfer points (networking sockets) with Descriptors used file system file system. Becomes very easy for an application to send or receive network data through simple read or write operations like reading or writing a file.
Today, BSD is used in academic research where testing a range of communication technologies and their application found in commercial embedded systems. High quality code and system documentation (man pages) distribution as a favorite place for research and development.
Permissive nature of the license under which the system is distributed, allowing companies to share proprietary code added to the system without having to publish the code. Permissive nature of product development license allows open-source license is considered to be compatible with many other open-source licenses.
BSD includes a layer of binary compatibility with other systems and system architectures. It is possible to run applications written and compiled for Linux BSD directly on high speed, without an emulation layer.
Current BSD systems supporting a wide range of IEEE, ANSI, ISO and POSIX.
Posted: December 23rd, 2011 under Uncategorized - No Comments.