For a lot of developers out there, Microsoft's big ticket announcement at Build 2016 was the Bash shell running on Windows 10. Microsoft has put in the time and effort to make tools that a lot of people will need to use, work on Windows 10, instead of building something else into its own command shell.
There's going to be much to talk about in regards to this, and it's going to take someone much smarter than I. But for now, if you're interested, Microsoft has published a video that shows it off a little. If you're a developer that's excited by this, be sure to drop us your thoughts in the comments below.