====== Creating users ======

This is my favorite command to create users. This command creates a user ''USERNAME'' with a user-group, 
in other words, a group with its own name, who allows a tighter permission access to its directory. 

<code>
# useradd --create-home --shell /bin/bash --user-group USERNAME
</code>

To give this user sudo permissions:

<code>
# usermod --append --groups sudo USERNAME
</code>