Linux Networking Commands

Every computer is connected to some other computer through a network whether internally or externally to exchange some information. This network can be small as some computers connected in your home or office, or can be large or complicated as in large University or the entire Internet.
Maintaining a system's network is a task of System/Network administrator. Their task includes network configuration and troubleshooting.
Here is a list of Networking and Troubleshooting commands:
ifconfigDisplay and manipulate route and network interfaces.
ipIt is a replacement of ifconfig command.
tracerouteNetwork troubleshooting utility.
tracepathSimilar to traceroute but doesn't require root privileges.
pingTo check connectivity between two nodes.
netstatDisplay connection information.
ssIt is a replacement of netstat.
digQuery DNS related information.
nslookupFind DNS related query.
routeShows and manipulate IP routing table.
hostPerforms DNS lookups.
arpView or add contents of the kernel's ARP table.
iwconfigUsed to configure wireless network interface.
hostnameTo identify a network name.
curl or wgetTo download a file from internet.
mtrCombines ping and tracepath into a single command.
whoisWill tell you about the website's whois.
ifplugstatusTells whether a cable is plugged in or not.

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