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How to Use the FTP Command on Linux

The File Transfer Protocol is older than most of our readers, but it’s still going strong. FTP doesn’t have the security of a modern protocol, but you may need to use it anyway. Here’s how to do it.

How to Exit the Vi or Vim Editor

The vi editor is confusing if you’re not used to it. It takes a secret handshake to escape this application if you’ve stumbled into it. Here’s how to quit vi or vim on Linux, macOS, or any other Unix-like system….

How to Change the Default crontab Editor

Want to have crontab use the editor of your choice instead of the other way around? This tutorial shows you how. These instructions will work with Linux, macOS and other Unix-like operating systems.

What Is Encryption, and How Does It Work?

If you write something down that is important, private, or sensitive you might worry that someone else is going to read it. If you need to give it to a messenger to take to another person, the risk of the wrong people reading…
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