Kali Linux vs Ubuntu: What are the differences?
Developers describe Kali Linux as "Penetration Testing and Ethical Hacking Linux Distribution". It is a Debian-based Linux distribution aimed at advanced Penetration Testing and Security Auditing. It contains several hundred tools which are geared towards various information security tasks, such as Penetration Testing, Security research, Computer Forensics and Reverse Engineering. On the other hand, Ubuntu is detailed as "The leading OS for PC, tablet, phone and cloud". Ubuntu is an ancient African word meaning ‘humanity to others’. It also means ‘I am what I am because of who we all are’. The Ubuntu operating system brings the spirit of Ubuntu to the world of computers.
Kali Linux and Ubuntu can be primarily classified as "Operating Systems" tools.