How does Windows Subsystem for Linux work?

Related questions

1. How do I know if Windows subsystem is enabled Linux?
2. Does WSL use Hyper V?
3. What can you do with WSL?
4. Can I install Unix on Windows 10?
5. Does my computer support Hyper V?
6. Can you run Hyper V on a virtual machine?
7. Where is WSL stored?
8. Is Hyper V is free?
9. Is Windows Subsystem for Linux good?
10. Can bash be used in Windows?

Tags

1. #system
2. #subsystem
3. #needs
4. #windows
5. #unmodified
6. #layer
7. #developer
8. #binaries
9. #compile
10. #linux
11. #allows
12. #provides
13. #calls
14. #mapping
15. #kernel