Have you ever wondered what happened to the term drivers in a Linux environment? Well, wonder no more. Most people coming from a Microsoft Windows background are accustomed to interacting with hardware through the use of drivers. Well, in Linux, we refer to drivers as modules. It's not as scary as it sounds. We load and unload modules whenever we are working with a piece of hardware. For example, when we plug in a USB drive, a module is loaded into the backend and is unloaded automatically when we remove the USB drive. It's that flexible.

Let's take a look at how we can view the modules that are installed in the Linux system, using the lsmod command:

More modules that are available for use are shown in the following screenshot ...

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