Linux Password Reset
Now you are going to do a password reset on your VM. This will be the same for the vast majority of Linux VMs, but a general rule is that you can just Google how to do it for the VM you are on.
This one is generally known as a Grub Bootloader attack.
Here is a starting point. https://itsfoss.com/how-to-hack-ubuntu-password/
Write a couple sentences about what you learned from this.