in reply to OT: Does anyone know of a version control system that doesn't use separate files or a repo?

I do not know of such a thing.

Version control system for the laziest of the lazy doesn't satisfy your requirement for no external files, but instead of making copies, you could just keep appending to your file.

  • Comment on Re: OT: Does anyone know of a version control system that doesn't use separate files or a repo?