Brad Sams reports that Ubuntu isn’t the only flavor of Linux available on Windows 10 anymore:
If you do go down this route, you have the option for installing either openSUSE Leap 42.2 and SUSE Linux Enterprise Server 12 SP2.
The benefits here are obvious, with Microsoft enabling the Windows subsystem for Linux, they are opening the door to more than simply running Bash inside of Windows 10. While that is a good feature and one of the most likely used instances of this subsystem, what Microsoft has actually done is opened the door for more vendors to bring their Linux tools to the Windows platform.
I’d expect Red Hat to follow suit.