${DOM} | The domain name, such as foo.com |
${PREFIX} | The first part of the domain name, like foo |
${USER} | The user that owns the domain, such as foo |
${IP} | The IP address assigned to the virtual server, such as 192.168.1.1 |
${HOME} | The domain user's home directory, such as /home/foo |
${UID} | The system user ID of the domain owner user, such as 502. |