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The Internet is a world-wide network of computers. The computers are divided into domains and sub-domains. Each machine has a name and an address that is unique across the Internet. To check the name of the machine you are logged on use the command hostname. The names of some of the departmental server machines in the labs are:
| Hostname | Fully Qualified Domain Name | Internet Address |
| onyx | onyx.boisestate.edu | 132.178.227.11 |
| cs | cs.boisestate.edu | 132.178.227.8 |
The suffix boisestate.edu represents the sub-domain (of the .edu domain) comprised of all the machines on campus. To find the Internet address of a machine, use the command host <hostname>. Here are some examples.
[alice@onyx ~]: host google Host google not found: 3(NXDOMAIN) [alice@onyx ~]: host google.com google.com has address 216.239.37.99 google.com has address 216.239.57.99 google.com has address 216.239.39.99 [alice@onyx ~]$ host cs.boisestate.edu cs.boisestate.edu has address 132.178.227.8 [alice@onyx ~]: host onyx.boisestate.edu onyx.boisestate.edu is an alias for onyx2.boisestate.edu. onyx2.boisestate.edu has address 132.178.227.11