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1. Boot the machine and wait until GRUB Boot Loader comes up. Select recovery mode  and then press e  to edit. 2. Change the permission mode from ro  to rw and modify boot loader file in  init=/bin/bash  and then F10  make the changes and reboot the system. 3. Once the system reboot, shell prompts you for the password to manage the system. Type passwd root   and then type the desired password   of your choice. Confirm the password   and then hit enter. If new password  and retype new password  matches correctly, then you will get the message password updated successfully . Type shutdown -h now  to press power button to shutdown the system and then boot the system again. 4. Type root   and the new password . If you type the new password correctly, then you will desktop screen of Kali Linux .

Download Kali Linux  and burn the ISO to a CD/DVD. Boot Windows machine with the LiveCD . On the boot menu of Kali Linux, select Live (forensic mode) . Kali Linux initialize and when it loads, it will open a terminal window and navigate to the Windows password database file. Almost all versions of windows password is saved in SAM file. This file is usually located under /Windows/System32/config . On your system it may look something like this: /media/hda1 /Windows/System32/config . Below is the screenshot. The SAM database is usually in the /media/name_of_hard_drive/Windows/System32/config The screen shot below lists the SAM database file on my hard drive. The screen shot below lists the SAM database file on my hard drive. Type command chntpw -l SAM  and it will list out all the usernames that are contained on the Windows system. The command gives us a list of usernames on the system. When we have the username we want to modify and we simply run the command chntpw -u...

Kali Linux, ver.: 1.0.3 Prerequisites: Minimum 8 GB of HDD space to install Kali Linux For i386 or amd64 architecture, a minimum of 512 MB RAM (1024 MB RAM recommended) An ISO or VMWare image can be downloaded from  Kali Linux  site Here, I am going to guide you step by step to install Kali Linux  (ver. 1.0.2) in a virtual machine. Procedure of installation is very much similar to Backtrack. Click on the above link to download Kali Linux. When you goto this link it will ask you to register, however registration is not mandatory to download Kali Linux. Either, you can register by giving your name or email address to receive information updates or simply you can skip this step and click on " No thanks, just want to download! ". Depending on the type, you can customize your download in ISO  or VMWare  format. Click on " Download Kali" . Once Kali Linux  is downloaded you are ready to install it in a virtual machine. I am using VMWare Player version: 5.0....