FreeBSD - пăхăнман UNIX-евĕрлĕ операци системи, AT&T UNIX несĕлĕ. Вăл x86, DEC Alpha, Sun UltraSPARC, IA-64, AMD64, PowerPC, NEC PC-98 та ARM ĕçле. Юлашки версийĕ FreeBSD 8.

2009 çулхи чӳк, 25 тĕлне FreeBSD системин юлашки релизĕн 8.0.

• Christopher Negus, Francois Caen, BSD UNIX Toolbox: 1000+ Commands for FreeBSD, OpenBSD and NetBSD, Wiley, May 5 2008, 309 стр., ISBN 0-470-37603-1.
• Babak Farrokhi , Network Administration with FreeBSD 7: Building, securing, and maintaining networks with the FreeBSD operating system, Packt Publishing, April 14 2008, 280 стр., ISBN 1-84719-264-5.
• Bryan J. Hong, Building a Server with FreeBSD 7, No Starch Press, April 1 2008, 288 стр., ISBN 5-8459-0741-1.
• Joseph Kong, Designing BSD Rootkits: An Introduction to Kernel Hacking, No Starch Press, April 10 2007, 144 стр., ISBN 1-59327-142-5.
• Брайан Таймэн. FreeBSD 6. Полное руководство = FreeBSD 6 Unleashed. — М.: «Вильямс», 2007. — ISBN 5-8459-0741-1
• Harald Zisler, FreeBSD, Franzis Verlag GmbH, August 31 2006, 381 стр., ISBN 3-7723-6538-8
• Родерик Смит. Полный справочник по FreeBSD = FreeBSD: The Complete Reference. — М.: «Вильямс», 2005. — ISBN 5-8459-0576-1
• Yanek Korff, Paco Hope, Bruce Potter., Mastering FreeBSD and OpenBSD Security, O’Reilly, March 2005. ISBN 0-596-00626-8.
• Майкл Лукас. FreeBSD. Подробное руководство = Absolute BSD. The Ultimate Guide to FreeBSD. — СПб.: Символ-Плюс, 2004. — ISBN 5-93286-066-9
• Dru Lavigne. BSD Hacks, 100 Industrial-Strength tips for BSD users and administrators. O’Reilly, May 2004. ISBN 0-596-00679-9.
• Michael Urban, Brian Tiemann. FreeBSD Unleashed, Second Edition. Sams Publishing, April 2003. ISBN 0-672-32456-3.
• Greg Lehey. The Complete FreeBSD, 4th Edition, Documentation from the Source. O’Reilly, April 2003. ISBN 0-596-00516-4.
• Marshall Kirk McKusick, George V. Neville-Neil. The Design and Implementation of the FreeBSD Operating System 2005 ҫулхи Нарӑс уйӑхӗн 8-мӗшӗнче архивланӑ.. Addison Wesley Professional, August, 2004. ISBN 0-201-70245-2.
• Ted Mittelstaedt. The FreeBSD Corporate Networkers Guide. Addison-Wesley, December 2000. Paperback, book & CD edition, 401 pages. ISBN 0-201-70481-1.
• The FreeBSD Handbook, Volume 1: User Guide, 3rd Edition. FreeBSD Documentation Project. FreeBSD Mall, November 2003. ISBN 1-57176-327-9.
• The FreeBSD Handbook, Volume 2: Admin Guide, 3rd Edition. FreeBSD Documentation Project. FreeBSD Mall, September 2004. ISBN 1-57176-328-7.

• BSD
• Официаллă сайт 2011 ҫулхи Ҫӗртме уйӑхӗн 6-мӗшӗнче архивланӑ.(выр.)
• FreeBSD 8 2010 ҫулхи Ҫӗртме уйӑхӗн 15-мӗшӗнче архивланӑ. FreeBSD 8 review (акăлч.)