Good question. Even for programs and games that spanned multiple disk, you’d explicitly arrange the data so that it makes sense (sometimes even duplicating some

Good question. Even for programs and games that spanned multiple disk, you’d explicitly arrange the data so that it makes sense (sometimes even duplicating some of it), and not just uniformly spread it across all the disks. I can’t remember a single instance where there was the concept of a file that spanned multiple disks on the C64. In theory, the hard drive add ons might have lead to the use of such files (they don’t have to fit into memory at once, you can just seek within the file), but given their relatively low popularity, that was probably very rare, if there was any support for such files in software at all...