The Immediate Window is an immensely useful tool for debugging applications. It can be used to execute code statements that are valid in the context of a break point and ins
The Immediate Window can also be used to execute commands. Just type a > followed by the command.
For example >shell cmd will start a command shell (this can be useful to check what environment variables were passed to Visual Studio, for example). >cls will clear the screen.
Here is a list of commands that are so commonly used that they have their own aliases: https://msdn.microsoft.com/en-us/library/c3a0kd3x.aspx