Unix utility SED provides an effective and versatile way of deleting one or more lines from a designated file to match the needs of the user. This Unix command is used for command line processing.

The first command we’ll examine in this post is a very unusual awk command that systematically removes every line in the file that is encountered more than once. It leaves the first instance of the ...

I use the Linux command line daily, but that's because I learned Linux the hard way and those old lessons stuck. Most users could go their entire Linux lifetime and never run a single command. Some ...

Working on the command line is an integral part of being a successful Linux user. You need to have a firm grasp of certain commands to work effectively. There are even certain commands that you must ...

There are many ways to clean up or remove files, including using commands such as rm (remove), rmdir (remove directory), shred, and unlink. The rm (remove) command is the most obvious way to remove ...

Getting started with Linux can be more than a little daunting. In this article we help you learn the commands needed to find your way around and teach you how to find out more on your own. Share on ...