Just about every piece of technology has some form of an operating system – desktops, laptops, mobile phones, and servers, to name just a few. The Merriam-Webster definition of an operating system?
There's an OS for everyone (and every task).
Many IoT devices run on batteries, sometimes for years. If the OS itself is a power hog, your device won’t last long. Good ...
Virtualization technology, whereby multiple operating systems can be run on shared hardware, is extremely well understood if somewhat inefficient in its use of resources. Just a few decades ago, ...