Abstractions are the keystone of the dynamic ecosystem of information and communication technology. You can think of them as allowing you to drive a car without understanding how the engine or ...

Developers talk a lot about “immutability.” Outside the technical world, it usually means something negative: unmoving, inflexible, and entrenched. However, in the technical field, these features ...

Lauded for avoiding the typical vague, high-level survey approach found in many texts, earlier editions of this bestselling book removed the mystery by explaining the internal structure of an ...

Even with all of the advances in IT, whether it’s modular hardware, massive cloud computing resources, or small-form-factor edge devices, IT still has a scale problem. Not physically—it’s easy to add ...

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 ...

Two mobile operating systems currently comprise nearly 100% of the global smartphone market. Building one is hard, and for most phone makers, there are better uses of resources, especially when ...

Zach was an Author at Android Police from January 2022 to June 2025. He specialized in Chromebooks, Android smartphones, Android apps, smart home devices, and Android services. Zach loves unique and ...

The smartphone market is, for the most part, dominated by one decision: Android vs. iOS. In the past, it was possible to have a Windows phone, and today you can have a Linux phone, but Android and iOS ...

It's a practical reality that enterprises have systems with older operating system versions running in their networks. A recent analysis by exposure management company runZero found that 8.56% of ...

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 ...

When it comes to the operating systems you can actually use on your computer, there are really only three main ones that are ever brought up. You have Windows 11, macOS, and Linux (or, more accurately ...