So Microsoft has a port of the Bash shell on Windows. It's a wise move. Early days Microsoft would have done this right off. In the middle in Ballmer's Microsoft they lost the sense of urgency. It isn't even a huge deal from a software standpoint. Think of it as intellectual interop.

They ported Word and Excel to Mac when they were trying to get the world to adopt Windows. I think you can see where this is headed. Flatten out the differences between the OSes as much as possible. Why not. No one cares about that stuff, that's the layer that was established 30 years ago. The action is happening 10-levels up the stack.

BTW, speaking of stacks, we're getting a little traction in 1999-server-land. Of course since we're building on Node.js, all this stuff should run nicely on Microsoft's OS, whatever they call it. ;-)