Under Linux, access to files and directories is controlled by a system of permissions. Those permissions define who can see a file, whether they can modify it in any way, and in the case of some files, whether the commands Read More …

Let me see if I get this straight . . . a long time ago, this guy was born of a virgin, performed miracles, collected disciples, then was eventually crucified, died, was buried, and rose again to redeem mankind? Does Read More …

Welcome to part four in my Mastering The Linux Shell series where we will wander wistfully into a land where three terribly under-appreciated but vitally important files live. You will remember that everything is a file, including directories which some Read More …

My youngest son asked me about Easter today. Luckily, as a parent, I am endowed with the power of complete universal knowledge and, naturally, explaining how Easter works is child's play. Or adult knowledge, as the case may be. Every Read More …

Information begets information and eventually, there's just too much of it. I don't really believe that — I'm an information junkie — but there's no question that if you never delete anything, eventually, you will either use up all your Read More …

Let me tell you the secret of computers, of operating systems, and of the whole industry that surrounds these things: Everything is data. Information is the be all and end all of everything we do with computers. Files are the Read More …

This is the first of several articles I will be writing on the subject of the Linux command shell. Feel free to consider this first entry as a polite introduction to the topic. In Windows-land, you had "CMD" or what some Read More …