
1) Ubuntu derivative
Found on
https://www.crosswordclues.com/clue/nubuntu

nUbuntu or Network Ubuntu was a project to take the existing Ubuntu operating system LiveCD and Full Installer and remaster it with tools needed for penetration testing servers and networks. The main idea is to keep Ubuntu`s ease of use and mix it with popular penetration testing tools. Besides usage for network and server testing, nUbuntu will b....
Found on
http://en.wikipedia.org/wiki/NUbuntu
No exact match found.