Name Resolver
The name
resolver is used to convert a human friendly name (hostname) to machine
friendly name i.e. (IP address). It is use to configure client side access to
the Internet Domain Name System (DNS). This file defines which name servers to
use.
Fully Qualified Domain Name
A fully qualified domain name (FQDN) is the complete domain name
for a specific computer or host on the Internet. The FQDN consists of two
parts: the hostname and the domain name.
The following are examples of
FQDNs:
www.pagelinux.com
mail.pagelinux.com
mail.pagelinux.com
Here
.com is the top-level domain (TLD). This is similar to the root
directory, from which all other directories originate.www.pagelinux.com is the FQDN of the web server. Here www is the hostname and pagelinux.com is domain name.