A user posted on the Arch Linux forums in early January wondering why their laptop wouldn’t boot at all after running a simple ‘rm -rf –no-preserve-root /’ command. It’s fairly stupid to run such a ...

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 ...

The Linux command line is a text interface to your computer. Also known as shell, terminal, console, command prompts and many others, is a computer program intended to interpret commands. Allows users ...

Understanding how to manage your software from the terminal is the first step to becoming a Linux power user. By the time you're done reading this, you'll be able to comfortably manage software from ...

Leave these Windows tendencies at the door. You're in Penguin land now.

The command line. You either love it or hate it, but if you do anything with a Unix-like system you are going to have to use it eventually. You might find marker ...

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 ...

What a Linux root user can do - and 8 ways you should absolutely never use it ...