show ver(sion)
show flash
How to see the configuration-register setting
Location where the skeletal IOS is stored
show run(ning-config)
How to see the IOS filename
NVRAM
Location where the Backup Configuration is stored
ROM
show int(erface)
How to see the Active Configuration
show start(up-config)
How to check port status
Location where the Active Configuration is stored
RAM
flash memory
How to see the Backup Configuration
Location where the IOS is stored
show arp
How to see the cached IP_to_MAC address mappings
