Microsoft has created its own FreeBSD. Repeat. Microsoft has created its own FreeBSD • The Register

http://www.theregister.co.uk/2016/06/09/microsoft_freebsd/

Makes sense to have their own FreeBSD for Azure cloud use.

Good addition after their own Linux distribution

http://www.epanorama.net/newepa/2016/03/10/microsoft-has-released-a-debian-linux-switch-os-repeat-a-debian-linux-switch-operating-system-%e2%80%a2-the-register/