Guide to Unix/BSD/External Links

DragonFly BSD

 * DragonFly BSD
 * Extreme BSD Evolution, The Road to the Future goals
 * Frequently Asked Questions
 * DragonFly BSD wiki

FreeBSD

 * FreeBSD
 * FreeBSD Hypertext Manual Pages also includes manual pages from other Unix-like systems

FreeBSD Documentation Project
This list is taken from http://www.freebsd.org/docs/books.html
 * The FreeBSD FAQ (faq) "Frequently Asked Questions, and answers, covering all aspects of FreeBSD."
 * The FreeBSD Handbook (handbook) "A constantly evolving, comprehensive resource for FreeBSD users."
 * The FreeBSD Developer's Handbook (developers-handbook) "For people who want to develop software for FreeBSD (and not just people who are developing FreeBSD itself)."
 * The FreeBSD Architecture Handbook (arch-handbook) "For FreeBSD system developers. This book covers the architectural details of many important FreeBSD kernel subsystems."
 * The Porter's Handbook (porters-handbook) "Essential reading if you plan on providing a port of a third party piece of software."
 * "Design Overview of 4.4BSD" The Design and Implementation of the 4.4BSD Operating System (design-44bsd) "Donated by Addison-Wesley, provides a design overview of 4.4BSD, from which FreeBSD was originally derived."
 * "Printserving" The FreeBSD Corporate Networker's Guide (corp-net-guide) "Donated by Addison-Wesley, provides an in-depth look at using FreeBSD to provide printing services to Windows, NT, and Novell hosts."
 * The FreeBSD Documentation Project Primer for New Contributors (fdp-primer) "Everything you need to know in order to start contributing to the FreeBSD Documentation Project."

NetBSD

 * NetBSD
 * The NetBSD Guide
 * NetBSD Manual Pages
 * More Documentation

OpenBSD

 * OpenBSD
 * OpenBSD Manual Pages
 * OpenBSD FAQ supplement to manual pages
 * Related Projects
 * OpenSSH and OpenSSH FAQ
 * OpenBGPD border gateway protocol
 * OpenNTPD network time protocol
 * OpenCVS reimplementation of CVS source version control