arp This program lets the user read or modify their arp cache.
dig(1) Send domain name query packets to name servers for debugging or testing.
finger Display information about the system users.
ftp File transfer program.
ifconfig Configure a network interface.
ifdown Shutdown a network interface.
ifup Brings a network interface up. Ex: ifup eth0
ipchains IP firewall administration used to set input, forward, and output rules.
netconf A GUI interactive program to let you configure a network on Redhat systems.
netconfig Another GUI step by step network configuration program.
netstat Displays information about the systems network connections, including port
connections, routing tables, and more. The command "netstar -r" will display the
routing table.
nslookup Used to query DNS servers for information about hosts.
pftp Same as ftp.
ping Send ICMP ECHO_REQUEST packets to network hosts.
portmap DARPA port to RPC program number mapper. Must be running to make RPC calls.
rarp Manipulate the system's RARP table.
rcp Remote file copy. Copies files between two machines.