You can easily install Kali Linux on a computer system using a USB flash drive, or you can also use the Live Boot feature. By default, Kali Linux includes a wide range of software applications, in addition to security tools such as the Chromium Web Browser, Firefox Web Browser (Extended Support Release), PDF Document Viewer etc. Debian is currently used as a codebase in many other Linux operating systems, such as Ubuntu, Linux Mint and elementary OS. Kali Linux is based on Debian, which is an open source Linux distribution (or operating system) known for its consistency and quality. Most tools in Kali Linux work through the command line, while some of them also have graphical user interfaces such as Wireshark, Burp suite and Armitage.

As soon as you launch a tool, you do not need you to write a custom program and programming code to attack, you can read the instructions in the terminal window and type the command.

According to the Kali Linux tools directory, there are hundreds of pre-installed security tools in the operating system that allows attacking any computer system, gathering information, forensics, reverse engineering, crack passwords, snifting and snipfing etc. Kali Linux (formerly known as BackTrack) is a free and open source Linux operating system specially designed for penetration testing (computer system security) using a wide range of available security tools.

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