Casual VirtualBox users might not know about the awesome power that lurks just beneath the surface in the Command Line Interface (CLI).

I thought it would be useful to break away from all the GUI-goodness and offer up a few command line tips and tricks. Why? No matter how powerful, user-friendly, and modern the Linux desktop becomes, there may come a time when you want to step up your game and get down and dirty with the command line interface.

Newsbeuter is an open source command line feed reader for Linux, FreeBSD, Mac OS X and other Unix-like operating systems

Sometimes you get a bunch of files that are named in an annoying way and you’d like to change the naming convention for all of them. Maybe you forgot to change the settings on your CD ripping software and it ended up creating a bunch of long file names that you don’t like.
The aptly named "rename" terminal command comes to the rescue and allows you to bulk rename files from the command line.

Making use of previously entered commands can help you remember the location of files previously edited, canremove the need to re-enter long path names and can save you a lot of typing mistakes.

The truth about Linux today is that one may never have to actually touch a terminal or issue a single Linux command in order to run some versions of this flexible alternative operating system. But once a user becomes accustomed to using the command line interface, it soon becomes the preferred method in many tasks.

I’ve already shown you how to view files with the cat command. In today’s post I’m going to show you how to use the GNU cat command for its originally intended purpose: for joining multiple files together.