A Subdomain is another "virtual" website with its own unique content.
A Subdomain uses your existing domain - there is no new domain name.
You use your existing domain name but add another "prefix" to it to make the Subdomain name. The Subdomain name will look like forums.yourdomain.com, help.yourdomain.com, blog.yourdomain.com, etc.
To create a Subdomain the process is as follows:
- Login to your cPanel and under the "Domains" section click the "Domains" icon.
- Click the "Create A New Domain" button.
- Enter the subdomain name to add in the "Domain" text box.
- Deselect the "Share document root (/home/username/public_html) with “domain.tld”." option.
- Enter the directory where you want the files for this subdomain to exist.
- Click the "Submit" button.