Gentoo
linuxSource-based Linux distribution offering high configurability through its Portage package management system
Pronunciation
Correct
jen-TOO
/dʒɛnˈtuː/
Named after the Gentoo penguin (Pygoscelis papua). Two syllables with stress on the second: 'jen' + 'TOO'. The penguin name comes from the Falkland Islands.
Source: www.gentoo.org(official docs)