switch#show version
Displays information on software and hardware
switch#show flash:
Displays information on Flash memory (for the 2900/2950 series only)
switch#show mac-address-table
Displays current MAC address forwarding table
switch#show controllers ethernet-controller
Displays information about Ethernet controller
switch#show running-config
Displays current configuration in DRAM
switch#show start
Displays current configuration in NVRAM
switch#show post
Displays whether the switch passed POST
switch#show vlan
Displays the current VLAN configuration
switch#show interfaces
Displays interface configuration and status of line: up/up, up/down, admin down
switch#show interface vlan1
Displays setting of virtual interface VLAN 1, the default VLAN on the switch
