Dru Lavigne, author of BSD Hacks says, this article examines some of the common command differences a Linux user might encounter on a FreeBSD system. One of the minor irritations that comes with using another operating system is the change in the environment. Some of the first things many Linux users discover about a default FreeBSD installation are that it doesn’t include bash and doesn’t colorize the output of ls. Fortunately, if you’ve become accustomed to these features, it only takes a moment or so to integrate them into FreeBSD. First, as the superuser, add the bash package. Read more.