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.

Learn how to install and configure ProxyChains on Linux. Set up chain types, enable DNS proxying, and route curl, nmap, and ...

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?

Self-funded student: register by the 10th of the month, start on the 1st of the next. Funded student: please check the next enrolment deadline and course start date. Students who are concerned about ...

If you use Windows today and type ls, cat, grep, or awk in a terminal, there is a good chance something useful will happen. That was not always true. For most of the history of personal computing, ...

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 ...

For decades, Coreutils have been part of the standard repertoire for Linux administrators and developers. Those who wanted to use these tools on Windows with largely identical behavior previously ...

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, ...

Through the looking glass: A half-century-old magnetic tape containing the only known copy of Unix v4 has been found and recovered by the University of Utah's School of Computing. The nine-track 3M ...

This directory contains tools that install Unix v6 from images of the original distribution tapes. All operations are normally controlled by the top-level Makefile. The doc/ subdirectory of this ...