Berkeley Software Distribution (BSD) is a Unix operating system derivative developed and distributed by the Computer Systems Research Group (CSRG) of the University of California, Berkeley, from 1977 to 1995. Today the term "BSD" is often used non-specifically to refer to any of the BSD descendants which together form a branch of the family of Unix-like operating systems.
BSD licenses are a family of permissive free software licenses, imposing minimal restrictions on the redistribution of covered software.
The BSD daemon, nicknamed Beastie, is the generic mascot of BSD operating systems.
BSD Router Project (BSDRP) is an open source router distribution based on FreeBSD that includes Quagga and Bird.
BSD/OS (originally called BSD/386 and sometimes known as BSDi) was a proprietary version of the BSD operating system developed by Berkeley Software Design, Inc.
In BSD-derived computer operating systems (including NetBSD, OpenBSD, FreeBSD and DragonFly BSD) and in related operating systems such as SunOS, a disklabel is a record stored on a data storage device such as a hard disk that contains information about the location of the partitions on the disk.
BDSM is a variety of often erotic practices or roleplaying involving bondage, discipline, dominance and submission, sadomasochism, and other related interpersonal dynamics.
The BSD checksum algorithm is a commonly used, legacy checksum algorithm. It has been implemented in BSD and is also available through the GNU sum command line utility.
A free software license is a notice that grants the recipient of a piece of software extensive rights to modify and redistribute that software.
In molecular biology, the BSD domain is an approximately 60-amino-acid-long protein domain named after the BTF2-like transcription factors, synapse-associated proteins and DOS2-like proteins in which it is found.