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.

Eighteen new GNU releases in the last month (as of June 30, 2026): apl-2.0: GNU APL is a free interpreter for the programming language APL. It is an implementation of the ISO stan ...

AI coding benchmark MirrorCode published its full results June 26, showing Claude Opus 4.7 autonomously rebuilt a 60,000-line interpreter and scored 56% overall — completing tasks that take human ...

When you've used Linux for over 20 years, you don't need much hand-holding.

NetBSD is a real Unix that can run almost anywhere. Can it run as a desktop?

The difference between a virus and a worm is not semantic. A virus waits for a user to trigger it; a worm exploits ...

Bats is a TAP-compliant testing framework for Bash 3.2 or above. It provides a simple way to verify that the UNIX programs you write behave as expected. A Bats test file is a Bash script with special ...

remove-circle Internet Archive's in-browser bookreader "theater" requires JavaScript to be enabled. It appears your browser does not have it turned on. Please see ...

Unix time, also known as Epoch time, is a system that helps represent a point in time as a single number. Unix time was developed as part of the Unix operating system in the 1970s, and it has become a ...

With Coreutils for Windows, the same shell commands and scripts should run on Windows, Linux, and WSL. Microsoft relies on ...

Microsoft announced today at its Build 2026 developer conference the release of Coreutils for Windows, bringing many commonly used Linux command-line utilities to Windows as native applications. The ...

Abstract: POSIX.1-2024 is simultaneously IEEE Std 1003.1™-2024 and The Open Group Standard Base Specifications, Issue 8. POSIX.1-2024 defines a standard operating system interface and environment, ...