Kali: Lesson 2: Use Kali Grub to boot into single user mode
Background information.
http://www.computersecuritystudent.co...
Lets say you lost the root password and you have no way to figure it out. No problem. All you simply have to do is to physically power off the Kali machine and power it back on. During the start of the reboot, HOLD DOWN on the "shift" key. If you are using VMware, you will need to Left click in the Black VMware window before reboot and then HOLD DOWN on the "shift" key.