Real life situation. You are producing a network appliance of some kind doing high throughput stuff and you have implemented some bits in the kernel. On Linux (

Real life situation. You are producing a network appliance of some kind doing high throughput stuff and you have implemented some bits in the kernel. On Linux (GPL) your code is all covered by GPL so your competitors can copy and use it. On FreeBSD you can keep your technology proprietary and away from your conpetitors. This is why FreeBSD is so widely used by network appliances.