> Microsoft's first foray into achieving Unix-like compatibility on Windows began with the Microsoft POSIX Subsystem, superseded by Windows Services for UNIX via MKS/Interix, which was eventually deprecated with the release of Windows 8.1. The technology behind Windows Subsystem for Linux originated in the unreleased Project Astoria, which enabled some Android applications to run on Windows 10 Mobile.[17] It was first made available in Windows 10 Insider Preview build 14316.[18]
https://www.theverge.com/2016/2/25/11117430/microsoft-androi...
"Project Astoria - Android apps on Windows Phone - Build 2015 presentation"
https://www.youtube.com/watch?v=zltNsxV5OeA
> Microsoft's first foray into achieving Unix-like compatibility on Windows began with the Microsoft POSIX Subsystem, superseded by Windows Services for UNIX via MKS/Interix, which was eventually deprecated with the release of Windows 8.1. The technology behind Windows Subsystem for Linux originated in the unreleased Project Astoria, which enabled some Android applications to run on Windows 10 Mobile.[17] It was first made available in Windows 10 Insider Preview build 14316.[18]
-- https://en.wikipedia.org/wiki/Windows_Subsystem_for_Linux