Easily Correct a Typo of Previous Command Using Carat (^) Symbol

Have you ever typed a command and rushed to hit Enter, only to find that you had a typo in it? While you can use the up and down arrows to navigate the command history and edit the typo, there’s an easier and faster way.

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In this tip, we shall cover a simple and handy method of dealing with a command line typo, let’s suppose you wanted to see if there’s a service listening on port 22, but accidentally typed nestat instead of netstat.

You can easily replace the typo with the correct command and execute it like so:

# nestat -npltu | grep 22
# ^nestat^netstat

That’s right. Using two carat signs (they should be followed by the typo and the right word, respectively) you can correct the typo and run the command automatically afterwards.

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