[Andreas] has created this tutorial on real-time (RT) tasks in Linux. At first blush that sounds like a rather dry topic, but [Andreas] makes things interesting by giving us some real-world demos ...

What Is the Execute Bit and How Can I See What It Is? Every file on a Linux system has a set of permissions that control what can be done with it: can it be read, written, or exec ...

Linux is a great OS for networking ... You can see if your internet connection is up or if a server has gone down. The basic ...

However, if you want to do your own work, you might think about Linux and one of the many scientific computing applications available for it.