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Update 3_3__Using_Command-Line_Variables.md

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3_3__Using_Command-Line_Variables.md
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@ -6,7 +6,7 @@ If you're using `bash`, you can save information to a variable like this:
```
$ VARIABLE=$(command)
```
That's a simple command substitution, and the equivalent to `VARIABLE=\`command\``. The command inside the parentheses is run, then assigned to the VARIABLE.
That's a simple command substitution, and the equivalent to `VARIABLE=`command``. The command inside the parentheses is run, then assigned to the VARIABLE.
To create a new address would then look like this:
```