How does a Cisco switch view the configuration of an interface?

How to view the configuration of a Cisco switch interface, the following small set of specific operations

1, first Cisco switch boot, computer connection, enter the user mode, as shown in the picture:

2, enter "Enable" or "en", into the privileged mode, as shown in the figure:

3, in the privileged mode, enter "show interface F0/1" or "shows int F0/1", you can view the F0/1 interface information, as shown in the figure:

4, in the interface information more relevant information, including whether the interface is enabled (up or down), the interface of the MAC address, the interface is Full-duplex or Half-duplex (Full-duplex or Half-duplex), where the F0/1 interface is enabled (UP), and is in full duplex (Full-duplex).

5, we look at F0/2 interface information, enter "show int F0/2", where the F0/2 interface is in a closed state (down), and in Half-duplex (Half-duplex).