Now that the benefits of open source have been introduced to you, I believe we can go through a number of examples of embedded systems, hardware, software, and their components. For starters, embedded devices are available anywhere around us: take a look at your smartphone, car infotainment system, microwave oven, or even your MP3 player. Of course, not all of them qualify to be Linux operating systems, but they all have embedded components that make it possible for them to fulfill their designed functions.
For Linux to be run on any device hardware, you will require some hardware-dependent components that are able to abstract the work for hardware-independent ones. The boot loader, kernel, and toolchain contain ...