Password Break of Linux

Restart   Linux then open Grub page. Then we see Red Hat Enterprise Linux Server (2.6.18-53..........)                              Press E key

Then we see   Kernel/vmlinuz-2.6.18-53......................    Press E key

Then open a new page

 Grub edit > kernel /vmlinuz...........................................rhgbquite 1

Grub edit> boot (Press Enter Key)

Sh 3.1#password (Press Enter Key)

Changing password for user root

UNIX password (Type new password) ***** (Enter)

Retype password *****    (Enter)

Init 6   (Enter)