Most of the source code for the Windows Subsystem for Linux (WSL) has now been released on GitHub. Microsoft announced on May 19 that developers and hobbyists can now build WSL from source, explore the code, experiment with modifications, and contribute directly to its development.
What is Windows Subsystem for Linux?
Windows Subsystem for Linux is a feature that allows users to run a Linux environment inside a Windows machine without requiring a virtual machine or dual boot setup. The first version, WSL, was released in 2016. Shortly after its launch, the first issue raised about WSL on GitHub questioned whether the feature would ever be open sourced; nearly a decade later, Microsoft has answered that request.