cPanel is one of the leading web hosting Control Panel instruments and it's used by millions of users all over the world. Its popularity is due to its user-friendliness and intuitive interface, that will allow you to access numerous functions with only a few clicks. You are able to move, copy and upload files, generate new databases and add users with different stages of access, create email addresses, enable spam security and SPF validation, view account usage statistics, and many more. cPanel is used by numerous reseller hosting providers, because it features a reseller-level Control Panel named WebHost Manager (WHM). The latter is a powerful tool which will allow you to create hosting plans and to choose all their features. You can also generate and adjust client hosting accounts, access and change a lot of server-side settings and DNS zone records, install modules and applications, and much more. cPanel and WHM can be used with a large number of billing applications.