Visual Studio Command Prompt vs. a regular command prompt?

Question

When I open a Visual Studio command prompt (for example, opened with menu Start -> Programs -> Microsoft Visual Studio 2008 -> Visual Studio T

Answer 1

The Visual Studio command prompt has a few tools with it. Some tools are for repairing the install of Visual Studio. One of the tools I love using is for WCF. You type wcftestclient and you get a client to test your WCF services.