> Traditional, image-based Smalltalk worked this way. The first Lisp implementation worked as a 'live system'. One would boot an image from a tape drive, load/

> Traditional, image-based Smalltalk worked this way. The first Lisp implementation worked as a 'live system'. One would boot an image from a tape drive, load/run Lisp code from cards and could then dump a new image to tape. That was implemented end of the 1950s.