How to Split and Join-Merge Files of any Type and Size

Have you ever tried to send a file of 60 MB to a friend? Using email this might not succeed, it is simply too LARGE! so How to solve this matter? It goes like this: We need to split the LARGE file into smaller chunks, which can be much more easily sent and stored, then the split parts should be able to be merged back together again, the original file is restored, and your friend enjoy your package.