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the Kali Linux - The Most Used OS By Hackers - Part 1

It takes a long time to write and not to write. It's really not working. I have a mind. However. I am writing a lesson pdf (a text book-style course book) that will help you understand Web Hacking in special detail for the course. Including spending time with my 7-month-old son. What's worse is that the longer you look at the screen, the bluer your eyes are, the more you delay what you want to write. I'm going to try to post regularly instead of just like this. The picture I am using is a gift from someone. It's been a long time since he gave it to me ๐Ÿ˜๐Ÿ˜‚๐Ÿ˜‚๐Ÿ˜‚
Thank you for the picture. I don't remember who brought it. Forgive me for that. I will use this image until the end of this book. Thank you ☺️


About Kali Linux

1.1. History of Kali
               Kali is an enterprise-ready security auditing Linux distribution that comes with many tools for hacking. Kali is based on Debian GNU/Linux. It is mainly designed for security professionals and IT administrators. That's why Ubuntu is different from other Debian Linux.
                    That's why we will mainly use it for work such as Penetration Testing, Forensic analysis and Security Auditing. Before discussing these, I would like to talk about the terms Linux, Linux Distribution and GNU/Linux.
When we see Linux, we usually think of an operating system like Windows, Mac OS, Android, etc. In fact, Linux is just a kernel. Kernel is a software component created to deal with the interaction between hardware and applications in our computer (keyboard and mouse). Linux Kernel can be downloaded from It's just over 100MB. Linux is modeled on the Unix Operating System. 

Linux Distribution means the entire Operating System built on the Linux Kernel mentioned above. We already know that Operating System is the main driving system that provides a management shell to install and use applications on our computers and perform other functions. Among the many Linux Distros (Linux Distributions), Debian GNU/Linux is one of the leading distributions.

An operating system needs to have the necessary programs to carry out basic operations. Only then can we accept instructions from users. can read Can write data. Storing files in HDD, You can print. etc. will be able to create communication with the user. One of the most important parts of an operating system is the kernel. That's why GNU Operating System used Linux as Kernel. Since Linux is Kernel Only, it cannot do anything on its own. That's why the Linux we use should be called GNU Linux. The term "Linux" can easily be confused with the importance of GNU.

Linux is modeled on the Unix Operating System. GNU/Linux became GNU/Linux after 1984, when the Free Software Foundation (fsf) started developing a Unix-like operating system called GNU. You can learn more about the Free Software Foundation at fsf member idol Edward Snowden's memorable words mentioned in fsf can also be found below.  

Now, let’s start talking about Kali ๐Ÿ˜

There was the project called BackTrack Linux before Kali Linux. BackTrack Official Website 

You can see the information about BackTrack . It is changed from BackTrack to Kali since 2013 and redirect to  The first Kali was released in 2013 while the project was based on Debian Linux since 2012.

From then on, kali 1.1, ... were released.

After 2015, we reached Kali Linux 2.0, and from leaving KDE as the default desktop environment, we started using Gnome as the default. In 2020, using xfce4, the lightest and most dynamic state was changed to the default. However, if you prefer Gnome, you can use it. Even if you are KDE crazy, you can choose KDE permission from the start of the installation yourself, and you can change it later. The advantage of default xfce4 (lightdm) is kali-undercover mode. Undercover is a tool that makes Kali Linux look like Windows 10. With Kali, you can avoid the eyesore situation at the office and protect your computer from people's attention in crowded places.

In 2016, it was released together with Kali Linux 2016.1, 2016.2, etc.

As of this writing, Kali's release history is included below.

Kali Linux Release History

We release fresh images of Kali Linux every few months as a result of accumulative fixes, major security updates, installer updates, etc.

Please see for the most up-to-date log of changes.

Thank you for reading.

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