After introducing interrupts and the foreground/background architecture, I am finally ready to tackle the concept of a Real-Time Operating System (RTOS). In this first lesson on RTOS (commonly ...

Over 20 years ago, I was a managing editor for a company and was charged with building Linux content for the site. At some point during that gig, I was told that I had to use Microsoft Windows and a ...

To some, an operating system is a burden or waste of resources, like those working on embedded systems and other low-power applications. To others it’s necessary, abstracting away hardware so that ...

One way or another, you’re interacting with operating systems. Your smartphone uses one, and your tablet and laptop do as well. However, little is said about how the ways we interact with our ...

The recent integration of post-quantum cryptography (PQC) into Windows 11 and Red Hat Enterprise Linux 10 marks a pivotal moment in cybersecurity. As quantum computing continues advancing, the ...

What are open-source operating systems? Underpinning an operating system, for example Windows on your PC or Android on your phone, is many, many lines of code. Allowing anyone to inspect the source ...

I'm no stranger to weird operating systems. I've run Tails from a USB stick (an OS that blew the lid off the NSA) and installed a 50 MB operating system to revive a decade-old PC. And I thought I'd ...

Today’s operating systems are more sophisticated and feature-rich than ever before, which makes them substantially more useful to the enterprise but also adds to security vulnerability—unless the ...

Rebecca Torchia is a web editor for EdTech: Focus on K–12. Previously, she has produced podcasts and written for several publications in Maryland, Washington, D.C., and her hometown of Pittsburgh.