This week's book giveaway is in the OCMJEA forum. We're giving away four copies of OCM Java EE 6 Enterprise Architect Exam Guide and have Paul Allen & Joseph Bambara on-line! See this thread for details.
Well, this has nothing to do with Java, so perhaps you ought to have asked it in "General Computing", but... A .bat file is just a list of instructions in the DOS shell command language. An .exe file is a file full of machine instructions produced by a compiler; the compiler's input might have been in C, C++, FORTRAN, or many other languages.