I wouldn't say so, although the IOS(XNU) Kernel has plenty of FreeBSD, OpenBSD and NetBSD code, it also has lots of Mach code and Apple code as well, to the poi

I wouldn't say so, although the IOS(XNU) Kernel has plenty of FreeBSD, OpenBSD and NetBSD code, it also has lots of Mach code and Apple code as well, to the point that XNU is it's own distinct kernel. EDIT: I don't think there's any OpenBSD code in kernel space on IOS, just userspace.