DNS/BIND Server: Berkeley Internet Name Domain (BIND) text database format is widely used for configuring DNS servers on the Internet. DNS/BIND servers contain four files: a database file, reverse lookup file, cache file, and boot file.
Daemon: A UNIX process that runs in the background of a system doing automated processing.
Delta value: The percentage of change in the quantity.
Delimiter: A character marking the beginning or end of a unit of data.
Dependent Service: An application that requires certain other basic applications to be installed on the system before it can run. For example, Apache must be already installed on the system before Webcal can run.
Deployment: Systematic distribution of an object.
Disk Quota: The amount of disk space, in megabytes, assigned to a user. This amount is based on the Service Level Agreement.
Domain: An Internet address or a subsection of the Internet.
Domain Name: An alphabetic name that identifies one or more IP addresses.
Domain Name System (DNS): Name resolution software that translates alphabetic domain names into numeric IP addresses. The DNS server maintains a database of domain names and their corresponding IP addresses.
Domain Name System (DNS) server : A computer that maintains a database of domain names and their corresponding IP addresses.