Hi: =09what is the option of mcs.exe "-nostdlib"'s rule? And how to use= it? I run it as :"mcs -nostdlib sample.cs", why show the CS0518= error? Such as "The predefined type `System.Object' is not= defined" =A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1He HongFu =A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A12003-08-04