I find that a little color on the command line helps make things easier to read. ls is easy to colorize: just add the line...

In the last article I talked about simple command pipelines, one of the features that makes the Linux command line so powerful and so worth learning. So if you want to get comfortable using the command line, here are some tips that will make it a lot easier.

Today’s “Newbie Tip” is learning some basics about the “Command Line Interface” or as it’s mostly referred to, “Command Line”. The command line gives the user the ability to interact with the operating system by typing via a text terminal.

I am personally a strong advocate of using the Command Line. However, I am coming from a more tech type of situation than some others do. For the 'average" user however, is the Command Line relevant to everyday use?

I started learning computers back when DOS was all that was available to me, so I was comfortable with the command line. When Windows 95 was released my command line usage dropped considerably because there simply wasn't the "need" for it that there once was. I've gone from using the command line all the time to using it very seldom because GUI's were getting better and becoming more wide spread.

In addition to creating programming structures, you can also use the semi-colon to separate stand-alone commands that you want to execute from the same command entry. If you wanted to cd to a certain directory and then look at its contents, you could enter each command on its own line. Or, you could enter them both on the same line. This process is called command chaining.

Functions may be defined at the command-line and then used as many times as needed as long as a new shell is not started. This feature of the Bash shell can be a handy tool if you are repeatedly performing the same command or series of commands.

Since I’ve started using Twitter, I’ve been on the hunt for a command line version, so I don’t need to start up a browser or send an SMS on my phone. As I found out, it’s pretty darn easy to Twitter from the command line.

The Linux command-line can appear pretty complicated and occasionally even a little alarming. But it also offers a whole stack of helpful documentation which you can access directly from the command-line. Read on to learn how to help yourself when – or even before – you get stuck.