>>
>>Oh no problem. Since I use it often I created shortcut in quick launch area like this:
>>Start\All Programs\VS2005 ...\VS .Net tools\VS commadn prompt
>>Instead of clicking there click and drag with right mouse button on to quick launch area. When it asks choose "Copy here".
>
>Now, when I run command csc mytest.cs I get error:
>
>(11,10) error CS0103: The name "sw" does not exist in the current context.
My bad:

StreamWriter sw = new StreamWriter(@"c:\temp.txt");
sw.WriteLine("Hello");
sw.Close();

Cetin