hostname.
This file is a dns configuration file for Linux CentOS
ping [hostname] or ping [IP address]For example:ping wiki.answers.comorping 127.0.0.1
no hostname
Most operating systems have a methodology for determining the host name of a client. On the command line, the command is usually 'hostname', for both Windows and Unix/Linux. From the GUI Windows perspective, looking at the System or Computer properties will reveal the hostname.
With the following command: No hostname
ping hostname or nslookup hostname For more details: http://www.zilckh.com/how-to-find-ip-address-from-hostname-in-a-windows-system-using-command-line/
A hostname is the name a computer uses to identify itself to other computers on a network.
A hostname in an email address appears after the @ symbol, like user@hostname.com. The hostname is always the company or group that handles that email address.
Linux can run with virtually any hardware configuration, but it is best to check the system requirements for your Linux distro.
ifconfig
With the top command.