Linux 101: What does “sourcing a file” mean in Linux? Your email has been sent Jack Wallen explains the Linux source command by way of an example. Sourcing a file in Linux is a very important concept, ...

I wore the world's first HDR10 smart glasses TCL's new E Ink tablet beats the Remarkable and Kindle Anker's new charger is one of the most unique I've ever seen Best laptop cooling pads Best flip ...

Want to know the tricks of replacing a variable in a file using the SED command? This article will give you an overview of replacing a variable value in a file using SED. Before replacing a variable ...

Viewing the content of files and examining access permissions and such are very different options. This post examines a number of ways to look at files on Linux. There are a number of ways to view ...

If you’re new to Linux, there’s a very handy file you’ll want to learn about right away. Jack Wallen introduces you to the hosts file and how to add entries to it. On a regular basis, I reference the ...

When it comes to shuffling documents around your file system, nothing beats the raw power of the command line.

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 ...

Linux systems provide a very easy-to-use command for breaking files into pieces. This is something that you might need to do prior to uploading your files to some storage site that limits file sizes ...

Linux operating systems contain the old Unix sendmail or mail program that allows you to send an email message from the command line. The default application does not include the option to send an ...