Get step-by-step instructions for determining the operating system (OS) version on your devices and why it is so important to keep the OS updated.

Not sure which desktop operating system is best for you? We help you choose by comparing the top options based on app compatibility, ease of use, hardware availability, interface design, gaming ...

The computer's master control program. When a computer is turned on, a small "boot program" loads the operating system. Although additional system modules may be loaded as needed, the main part, known ...

Embedded system developers have a wide range of operating systems available to them today. Of course, the most straightforward operating system is to have no operating system! However, many systems ...

Various versions of Microsoft's Windows operating system have existed since the 1980s. While the operating system got its start on personal computers, today, versions of Windows are available for a ...

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 ...

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 ...

Earlier this month, I spent a day working in the throwback world of DOS. More specifically, it was FreeDOS version 1.1, the open source version of the long-defunct Microsoft MS-DOS operating system.