Kali Linux is based on the Debian Testing branch. Most packages Kali uses are imported from the Debian repositories.

Is Kali Linux based on Debian or Ubuntu?

The Kali Linux distribution is based on Debian Testing. Therefore, most of the Kali packages are imported, as-is, from the Debian repositories.

Is Kali Linux based on Ubuntu?

Kali Linux is a specialized distribution that includes a few designed purposes, including penetration and forensics testing. … Kali Linux is originated from BackTrack that is directly based on Ubuntu. Likewise, Kali Linux, Ubuntu is also based on Debian.