I’ve quit Elixir’s REPL by hitting Ctrl-C twice a zillion times, but I’ve never stopped to play with the BREAK menu provided between the Ctrl-C’s.

BREAK: (a)bort (A)bort with dump (c)ontinue (p)roc info (i)nfo
       (l)oaded (v)ersion (k)ill (D)b-tables (d)istribution

This article is a nice explainer of all the options and what you can do with each.