I've set up my .bash_profile to colour code the hostname in the command prompt differently depending on which machine I'm on. I have a separate file for specifying the host colours, which is sourced ...

Editor's Note: This article has been updated by its author. Thank you, Pat. Have you ever wanted to change the names of many files at once? Or, have you ever needed to use a default value for a ...

Yeah, that many years. Almost 13 years of writing about shell scripts and lightweight programming within the Linux environment. I've covered a lot of ground, but I want to go back to something that's ...

You've probably written dozens of Bash scripts by now. You may have used grep in a conditional statement or sed to transform small blocks of text inline. What if I told you that's incredibly ...

While Linux systems install with thousands of commands, bash also supplies a large number of “built-ins”—commands that are not sitting in the file system as separate files, but are part of bash itself ...