BSD, or the Berkeley Software Distribution, originated at the University of California at Berkeley in the 1970's. Compared with the Linux kernel, which is licensed under the GNU GPL, BSD has its own license which is much more permissive than the GPL, it allows you to incorporate BSD code in proprietary products. Whilst BSD may be considered a development of Unix, and Linux a clone of Unix, a complete GNU/Linux distribution incorporates much BSD-descended software.

FreeBSD offers advanced networking, performance, security and compatibility features today which are still missing in other operating systems, even some of the best commercial ones. FreeBSD makes an ideal Internet or Intranet server. It provides robust network services under the heaviest loads and uses memory efficiently to maintain good response times for thousands of simultaneous user processes. FreeBSD website. 

NetBSD is a free, secure, and highly portable Unix-like Open Source operating system. Its clean design and advanced features make it excellent in both production and research environments. Many applications are easily available through pkgsrc, the NetBSD Packages Collection. NetBSD website. 

PC-BSD has been designed with the "casual" computer user in mind. Installing the system is simply a matter of a few clicks and a few minutes for the installation process to finish. Hardware such as video, sound, network and other devices will be auto-detected and should be available at the first system startup. Home users will immediately feel comfortable with PC-BSD's desktop interface, using KDE 3.5. Software installation has also been designed to be as painless as possible, simply double-click and software will be installed. PC-BSD website. 

Versions available from enjoyLinux.co.uk:  

System Requirements: 

• CPU: x86 processors 
• RAM: 256MB minimum recommended 
• Graphics Cards: Most graphics cards are supported 
• Sound Cards: Most sound cards are supported 

FreeBSD Desktop

NetBSD Desktop

PC-BSD Desktop