[forgotpwd16]

Where you saw the link? They aren't related in any way. Haiku is an independent operating system inspired by BeOS. Hello is FreeBSD with an interface inspired by macOS. But you should give Haiku a try. Creator of Hello liked it[0].

[0]: https://medium.com/@probonopd/my-first-day-with-haiku-shocki... (it's a series of posts)