The Unix operating system is one of computing's most significant technologies, providing the framework that the familiar Linux and Mac OS X operating systems were developed on. Unix can be a viable ...

When attackers take advantage of an exploit, one of their first goals is to gain superuser (root or administrator) access to the compromised system. If the compromised process is already running with ...

An old book about an even older operating system.

On "1-2-3-4-5-6-7-8-9-0 Day," tech lovers all over the world celebrated the moment when the clocks in the popular Unix computer operating system struck that exact stream of numbers. But on Feb. 13, ...

The “What’s the difference between UNIX and Linux?” question can be answered similar to the analogy section that many of us had to complete on the SAT test; UNIX is to DOS as Linux is to Windows. That ...

A fascinating little point made in a much longer piece about the smartphone wars. One that makes me wonder whether Unix can now be considered to be the most successful operating system of all time.

I booted UNIX V4 (first C rewrite) in a PDP‑11 emulator. It feels tactile—no backspace, staggered print, slower typing, and it forced me to slow down. Classic Unix tools (ls, cat, ed, cal, dc) and ...

There are many ways to move files between Unix and Windows. In my mind, they fall into three categories — secure copy (let’s not even think about ftp), shared drives, and file synchronization. Each ...

If you’re a Unix admin, it helps to know how password aging is managed and how you can determine when a password was last changed or force a change in the near future. The key to understanding how ...

One of the questions that Unix users are sometimes reluctant to ask is how all the directory names — like /etc, /var and /usr/local — came about in the first place. Why did we adopt the particular ...