What makes Kali Linux special?

Kali Linux is a fairly focused distro designed for penetration testing. It does have a few unique packages, but it’s also set up in somewhat of a strange way. … Kali’s an Ubuntu fork, and a modern version of Ubuntu has better hardware support. You might also be able to find repositories with the same tools Kali does.

Is Linux different from Kali Linux?

Kali Linux is a Linux based open source Operating System which is freely available for use. It belongs to the Debian family of Linux. It was developed by “Offensive Security”.
…
Difference between Ubuntu and Kali Linux.