Copying takes time and causes wear and tear on the floppy. Most importantly, your disk may fill up with junk files, leaving you with insufficient space for the files you need. Really, you mostly want to copy all files with extension .cpp , .h , .txt and .bat . Make a batch file named save.bat to do that job. This can be easily done by modifying save.bat .
Type save without an argument.
Let's modify the batch file to give an error message if no command line argument is specified. The goto command goes to a label. The echo command displays a message on the screen. Let us add more error checking. We want to see that the argument is an existing drive.