Kali Linux is a specially designed OS for network analysts, Penetration testers, or in simple words, it is for those who work under the umbrella of cybersecurity and analysis. The official website of Kali Linux is Kali.org. It gained its popularity when it was practically used in Mr. Robot Series.

Is Kali Linux a program or an OS?

Kali Linux is a Debian-based Linux distribution. It is a meticulously crafted OS that specifically caters to the likes of network analysts & penetration testers. The presence of a plethora of tools that come pre-installed with Kali transforms it into an ethical hacker's swiss-knife.

Is Kali Linux a normal OS?

No, Kali is a security distribution made for penetration tests. There are other Linux distributions for daily use such as Ubuntu and so on.