If you prowl web sites that discuss embedded hardware and operating systems, you will occasionally find people complaining that Linux is not a “real-time operating system”. What do they mean by that? Why is it important? Why do we …

Have you ever wondered what the Linux TUN/TAP driver is for? Wonder no more! After spending most of last weekend tweaking the NuttX Simulator network support, I now have a pretty good idea of what TUN/TAP is, what it’s useful for, …