1) Log into your Reseller Control Panel and Select Info > Plan Creation Wizard > Unix Plan Creation (Select Unix becuse Linux and FreeBSD fall under this category)

2) On the first page of the Unix plan creation screen, under the "Web Services" section, and the option for "Logical Server Group (Unix Web Servers)" - Select "FreeBSD" from the drop down menu

3) Complete creating the plan as you normally would ensuring you include the other services you desire and the pricing you desire for various services, overages, etc.

4) once you have saved the plan, you are ready to begin selling Linux Hosting plans, and your customers accounts will be automatically allocated on the appropriate Linux Web Servers.