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Loopback ifconfig Output

ifconfig output

This is the loopback, or lo, interface. It is the computer's reference to itself. The block of text below this line gives detailed information on the lo interface.

This line shows the IP address (inet), the broadcast address, and the netmask associated with the lo interface.

This line describes the current state of the interface, most notably that it is UP or enabled.

Red Hat Linux Certification
This line starts the eth0 interface section.

The eth0 interface is assigned the IP address and the netmask

These lines indicate the number of data packets that have been transmitted (TX) and received (RX) by the interface.