To enable SEO for your Joomla site:
You will need to create or modify .htaccess in your plan.
After you login:
cd public_html touch .htaccess cat htaccess.txt >> .htaccess
Please note that this will just append the contents of the default Joomla htaccess.txt to the current .htaccess if it exists or create a new one if it does not exist
This is the default htaccess for Joomla 3+ htaccess.txt if you need it.