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  • FreeBSD in a UNIX like operating system created at Berkeley University in the 1980s. UNIX as a whole has been around since Bell Laboratories created it in 1969 and today there are a variety of UNIX distributions to use.
  • FreeBSD will always be free. Many companies use BSD for its products like, DVD players, watches, etc because of its license.
  • FreeBSD has a well structured development model that consists of, developers, committers to packages, and the core team which differs from Linux.
  • The ports tree has over 23k programs
  • Access to FreeBSD information is easy to obtain via:
  • Access to developers, committers and the community is easy to find.
  • Unlike Lunix which every distro can place files and folders in different locations BSD has come to a standard file structure.
  • FreeBSD provides 1/3rd of the Internet traffic through Netflix

FreeBSD File System Structure

The Unix File System or UFS file system is straight forward. Here is a screen shot of the root file system:


As you can see we have a variety of directories in root. This will go over a few of the main directories and files.

The first directory I am going to look at is /etc/. This directory hold the main FreeBSD system configuration files end users will edit.


  • rc.conf is one of the most important and edited files. This file holds the hostname, IP information, applications to start on boot and any flags associated with them. See below:


  • fstab shows what partitions are mounted to what device
  • resolv.conf hold what DNS servers to do lookup on