How to start things at boot time :
At one time or another we've all wanted to have things automatically load up when that machine boots, to keep us from having to do it by hand, and thus making it a automatic function of the machine as it boots up. AKA: Like your Autoexec.bat file if you are familiar with DOS.
The file you need to edit is the rc.conf located in the /usr/local/etc directory. Complete path located below.
Look in the /usr/local/etc/rc.d/ directory, this is one of the default startup directories. Checkout /etc/defaults/rc.conf, this is what the file looks like :
# grep local_start /etc/defaults/rc.conf
local_startup="/usr/local/etc/rc.d /usr/X11R6/etc/rc.d" # startup script dirs.
This setting determines which directories that are looked at first, and then looks at the shell scripts during startup. Executable files within these directories are run in alphabetical order. If you need the files to be executed in a specific order, try numbering the files. For example: