It's also not that uncommon to run a largely GNU userland on non-Linux-based distributions. Some of the Illumos distributions default to the GNU rather than the

It's also not that uncommon to run a largely GNU userland on non-Linux-based distributions. Some of the Illumos distributions default to the GNU rather than the Solaris-heritage userland, for example (I believe SmartOS is one). And you can install most (all?) of the GNU userland on FreeBSD too, if you prefer it.