What is inode in Linux and IF You are Out of It (solution) | Linux

inode is basically a count of total number of files in directories of a user account in *nix systems.

similar to a unique identification of individuals in a country.

inode is data structure , it contains:
size,
user id,
group id
device id,
mode and access
protection
timestamps
links
points
etc.
except file name, and contents. 

How to Reset Cisco 26xx, 28xx Series Router (Password Recovery) | Cisco

Reboot your router and hold CTR+BREAK sequence to enter into Rommon mode. and enter these 2 commands

rommon 1 > confreg 0x2142
rommon 2 > reset

done :)

Now revert your router sequence back to normal:

Router>enable
Router#config terminal
Router(config)#config-register 0x2102
Router(config)#exit

done:)