Utilities
Note: Depending on present net traffic and the speed of your link, some of the commands may take some time!
Ping is a program that sends a series of packets over a network or the Internet to a specific computer in order to generate a response from that computer.
The other computer responds with an acknowledgment that it received the packets.
Ping was created to verify whether a specific computer on a network or the Internet exists and is connected
Traceroute is a utility that checks how many "hops" (transfers through other computers on a network) it takes for your computer to contact another computer.
WHOIS (pronounced as the phrase who is) is a query and response protocol that is widely used for querying databases that store the registered users or assignees of an Internet resource, such as a domain name, an IP address block, or an autonomous system, but is also used for a wider range of other information.
Utility for querying the Domain Name System (DNS) to obtain domain name or IP address mapping or for any other specific DNS record.
is a simple utility for performing DNS lookups. It is normally used to convert names to IP addresses and vice versa. When no arguments or options are given, host prints a short summary of its command line arguments and options.
dig (domain information groper) is a flexible tool for interrogating DNS name servers. It performs DNS lookups and displays the answers that are returned from the name server(s) that were queried.
Most DNS administrators use dig to troubleshoot DNS problems because of its flexibility, ease of use and clarity of output
Bandwidth Meter measures the information-carrying capacity, or bandwidth, between the client and the server.
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