echo -n 'blueballoons' | base64 => Ymx1ZWJhbGxvb25z
echo commands job is to output the string that is passed to it as an argument. By passing the
-n flag we do not get the trailing newline in our output. Then we use the
| to pipe the output to
base64 which base64 encode the string, in this case “blueballoons”.