DioSOne

...i have a multiboot cd of windows 2003 vlk... the dimension of a cd is 700mb so why when i check the size of the disk windows says 2.5 gb??? i think something like this: some file, in different locations/folders, are equals so there is one physical allocation and multiple logical allocation for those files... am i quite right? if is so how can i do someyhing like this??!! thanks in advance to all!! Dios