You may find yourself in a situation where you remember the content of a file but not its name. Linux offers various commands to help you find files based on specific text strings within them. By ...

I teach new Linux users these four short, easy to remember commands early on. Learn what they are and how to use them.

The awk command can make it easy to remove duplicate characters from a string even when those characters aren’t sequential, especially when the process is turned into a script. First, the awk command ...

Sed is a non-interactive text editor that operates on piped input or text files. By providing it with instructions, you can make it modify and process text in files or streams. The most common use ...

I recently thought about writing a Groovy script to search JARs for a specific string, but decided to first look for an alternative rather than writing a script. The alternative needed to be easy to ...

I’m a big fan of the anime series Neon Genesis Evangelion. One of the quotes from it that stands out in my head is, “Man fears the darkness, and so he scrapes away at the edges of it with fire.” For ...

Learn new terminal techniques and test your understanding with these fun, interactive tutorials.