cPanel is a powerful control panel that can be used to resell web hosting - and due to this, you can specify quota limits per subscription so that each client can be allocated certain resources. They can be defined per website/subscription. To change these, you will need to follow these steps:
1. Login to your Cpanel
2. Once logged in to Cpanel, click on Account Information, then click on list accounts.
3. Click on the + symbol next to the domain you want to amend, then click Modify Account
4. Scroll down to the Resource Limits section and you'll now be at the page where you can specify limits for the domain or set them to unlimited.
5. Once complete - click Save.