Comment by EvanAnderson

They purchased a reasonably nice POSIX environment when they bought Interix in 1999 (https://en.wikipedia.org/wiki/Interix). Interix was a lot of fun to use, and I really wish it still existed as a product. I used to have fanciful dreams of a POSIX-based Linux-like "distribution" of Windows that kept a lot of the things I like about the Windows NT environment (NTFS filesystem, kernel object manager, service control manager) but jettisoned those things I don't.