When it comes to hosting a company or a personal web site, there are more choices than ever. Not only is there a plethora of web hosting providers all lining up for our business, we also have a choice of many excellent operating systems, most of which are free – in both senses of the word. In fact, after having spent some time investigating the possibilities, this author concluded that the majority of hosting companies in operation today seem to have standardized on offering Fedora Core, Debian GNU/Linux and FreeBSD as their preferred operating systems. This is hardly surprising; all three of them are not only free of cost, but also well-established and trusted as web serving platforms. For the purpose of this two-part article we will look and compare the features and security aspects of Debian GNU/Linux with those of FreeBSD, both of which the author had the pleasure to use and administer in recent years.