https://lab.artur-rios.tech/tags/kernels/Recent content in Kernels on Artur Rios LabHugoen-usTue, 20 Oct 2026 09:00:00 +0000https://lab.artur-rios.tech/fundamentals/operating-systems/Tue, 20 Oct 2026 09:00:00 +0000https://lab.artur-rios.tech/fundamentals/operating-systems/<p>Every program you have ever written leaned on an operating system without asking. Printing a line, opening a file, allocating memory, waiting for a key press: none of these is something a processor knows how to do. The operating system does them on the program&rsquo;s behalf, and does them for hundreds of other programs at the same time without letting any of them trample the others.</p> <p><a href="https://lab.artur-rios.tech/fundamentals/what-is-programming/">What Is Programming?</a> followed the history of telling machines what to do. This article follows the program that stands between every other program and the machine: what it is, how it came to exist, the main ways it can be built, and, in some detail, how it actually works.</p>