
While BackTrack is based on Ubuntu, Kali Linux is based on Debian,
and uses the complete Debian Installer. As a result, the installation
process is different from that of BackTrack, which uses Ubuntu’s
graphical
installation program.
installation program.

The objective here is to show how to install it on an HDD alongside
an existing installation of Windows 7, with the Windows 7 boot manager
as the “master” boot loader, so that at the end, when the computer is
(re)booted, you will be presented with a boot menu that looks just like
the one shown below. Selecting Windows 7 boots the system into Windows 7
and choosing Kali Linux will, by default, take you to the Kali Linux
boot menu, which is the same thing as the GRUB 2 menu, the version of
GRUB used by Kali Linux.
To bypass Kali Linux’s boot menu, simply edit the file named /etc/default/grub and change GRUB_TIMEOUT=5 to GRUB_TIMEOUT=0. Then run the update-grub command.
NOW WATCH WHAT WILL HAPPENS---------------------ENJOY .