ill not be covered in this tutorial, beyond stating that in
many distributions of Linux, <code>git-send-email</code> is not packaged alongside the
typical <code>git</code> install. You may need to install this additional package; there
are a number of resources online to help you do so. You will also need to
determine the right way to configure it to use your SMTP server; again, as this
configuration can change significantly based on your system and email setup, it
is out of scope for the context of this tu