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Domain Name System
The Internet uses the Domain Name System (DNS) to map names to IP addresses. The most common implementation of a DNS name server is called Berkeley Internet Name Domain (BIND). If your network interfaces with the Internet, you must have at least two DNS name servers, a primary and a secondary server. Your Internet service provider may be able to take care of this requirement for you.
BIND is best suited for large networks, or networks connected directly or indirectly to the Internet. BIND provides access to a much larger set of stations than is provided in the /etc/hosts database. A drawback of BIND is its complicated setup. BIND is described in more detail in Chapter 6, "BIND Name Server"
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