Linux Root Password Lost

Note: # This Technique use only when the Bootstrap password not Set

1.Start the Linux Machine after starting perss 'e'
2.Select kernal Line n press 'e' for edit and after the press '1'  for the end of Kernal line then enter
3.Press 'b' for boot your system.
4.Then your system entered on single user mode after that
5.passwd -d root // Delete for root password
6.init 5 // restart machine With GUI
7.After that enter username 'root'
8.See the direct login
9. Open terminal then after set the 'root' password.
10. passwd root