Is there any way, besides file, to detect a file's type? For example, I have a file that I know is a CramFS image, file detects it as "data". I have an updated image that may or may not be CramFS but ...

With the falling cost of 32-bit processors containing a memory management unit (MMU), Flash memory and SDRAM, a new class of embedded devices is evolving in the networking, internet appliance and PDA ...