Unix has its fingerprints all over Linux, and it's why it feels so different compared to Windows ...

For many users who get started with the command line in Linux, there’s a good chance they’re using Bourne Again Shell, or Bash. Bash is the default shell on Mac OS X, and Windows users can use Bash ...

Root (aka “/”) is where all other directories are found. If you issue the command ls /, the output will include directories like bin, boot, dev, home, etc, media, mnt, opt, sbin, srv, and var. The ...

This article will introduce the concept of playing a file line by line in Linux with the help of examples and best user tips. We'll walk you through some of the most common errors made when reading a ...

Recently I needed to create a script that processed two input files. By processed I mean that the script needed to get a line from one file, then get a line from the second file, and then do something ...

Bash is fairly easy to install, but using it is another matter. Here are some commands to help IT pros dip their toes in Bash. I have written quite a bit lately about the Bash shell that exists within ...

Reading files is no big deal with bash: you just redirect the input to the script or pipe the output of another command into the script, or you could do it inside the script if the file names are ...

PowerShell might best be described as Microsoft's next-generation command-line environment. Prior to the creation of Windows in the 1980s, Microsoft's PC OS was entirely command-line based. This OS, ...

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 ...