Newbie problem with the String class

[Martin Wiebusch]

Eric Rouse wrote:

> I was just wondering, are you using namespace with those?  You should
> be able to have something like...
> 
> using namespace std;
> 
> then:
> 
>    std::string myString("some text..");
> 
> Regards,
> Eric

Just another dumb question: What does this "using" command do and what
ist "namespace std" ?