show startup-config (from privileged exec mode)
contents of the nvram and the operating system version
DOSEXAFTERBREAKFAST
It cancels only configurations settings, such as securuty, DHCP ip range, static ip settings and so on...
NVRAM
NVRAM
NVRAM
This is an incomplete command. However, this indicates that the running configuration will be saved on the device to a different location.
wr or copy running-config startup config
DIR :- DIR is used to display the contents of a drive or directory.
Data stored in nvram is erased
NVRAM
Contents in NVRAM will be ignored