Linux in a Nutshell, 6th Edition

TCP/IP Administration

Command	Action
arp	Manipulate address resolution protocol tables.
dig	Query domain nameservers.
ftpd	Server for file transfers.
host	Print host and zone information.
ip	Network configuration tool with Cisco IOS-like syntax. Replaces ifconfig, route, and arp on some systems.
ifconfig	Configure network interface parameters.
named	Translate between domain names and IP addresses.
netstat	Print network status.
ping	Check that a remote host is online and responding.
pppd	Create PPP serial connection.
quagga	Routing daemon.
rdate	Notify time server that date has changed.
route	Manage routing tables.
routed	Dynamically keep routing tables up to date.
slattach	Attach serial lines as network interfaces.
sshd	Server for secure shell connections.
tcpdump	Write network packet information to screen or file.
telnetd	Server for Telnet sessions from remote hosts.
tftpd	Server for restricted set of file transfers.
zebra	Routing daemon.