> Trevor claims downloading and burning a Linux DVD is too difficult
> and requires a professional System Administrator.

Actually, what he claims is that after downloading of the Linux image (whichever he means), the actual installation is what does not work for him ("none of the installation procedures work") and requires the knowledge of a Linux administrator.

> he bought S/N#1

He bought order #1. Considering that Cameron's order #8 is serial #12, Trevor's order #1 might be serial #5.