Many ways to use the echo command on Linux

The echo command (a bash built-in) is one of the very basic commands on Linux. As with ls and pwd, you can’t sit on the command line very long without using it. At the same time, echo has quite a few uses that many of us never take advantage of. So, this post looks into the many ways you can use this command.

What is the echo command on Linux?

Basically, echo is a command that will display any text that you ask it to display. However, when you type “echo hello”, the echo command isn’t only spitting out those five letters, it’s actually sending out six characters – the last one being a linefeed. Let’s look at a couple of commands that make this obvious.

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Source:: Network World – Data Center