High-performance computing (HPC) for the past ten years has been dominated by thousands of Linux servers connected by a uniform networking infrastructure. The defining theme for an HPC cluster lies in ...

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, ...

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 ...

A traditional operating system (OS) such as Windows, macOS and Linux facilitates user interaction with hardware through a graphical user interface and manages tasks like memory allocation and process ...

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 ...

Teaching little kids to use computers is a great idea, but the thought of exposing innocent minds to the drek that flies across the Internet is enough to make a sane parent think about relocating to ...