Why Inode number changes when we edit vi editor ?

vi renames  old file .Then writes a new file with original name If you want to reuse existing inode for this follow this steps.

Step1 open vim and type :version

Step 2 type : e $/HOME/.vimrc

and save
set backupcopy=yes,breakhardlink

Now ,inode value is same both i,e 67785966 before editing abhay and after writing contents .
we can set