Operating system (OS) is the system software that helps to run the machine. Without OS machine is useless.
Hacker is a art of playing with machine to access other files or system with permession or without permission.

Mostly used OS is windows but it is rarely used for hacking purpose. linux os are mostly used for hacking purpose. Some of the mostly used OS are listed below:

1 Kali Linux

It is a linux based Operating system. it is the most used OS for hacking and security purpose. Every hacker must have knowlwdge of linux for hacking and security purpose. One can get kali linux from Here.

2 BackBox

BackBox is more than an operating system, it is a Free Open Source Community project with the aim to promote the culture of security in IT environment and give its contribute to make it better and safer. All this using exclusively Free Open Source Software by demonstrating the potential and power of the community. If you'd like to know more feel free to navigate in our web site and get in touch with us.One can get Backbox from Here.

3 Parrot OS

Parrot is a GNU/Linux distribution based on Debian and focused on Penetration Testing, Digital Forensics, Programming and Privacy protection. One can get Parrot os form Here.

4 DEFT

One can get DEFT form Here.

5 Live hacking OS

One can get live hacking os formHere

6 Samurai Web security framework

One can get this form Here.

7 Network Security Toolkit (NST)

One can get this OS form Here.

8 Bugtraq

One can get this OS form Here.

9 Back Track

This OS is officially not aviable. This OS had been upgraded to kali linux

10 Pentoo

One can get this OS form Here.

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