... is running memory() – print memory usage information Please try out a few of these right now, for example listing or changing the current directory, printing the history, and printing the ... STRINGS AND THE SHELL The Erlang shell tries to maintain the illusion that strings are different from plain lists, by checking if they contain only printable characters. If they do, it prints ... results. ENTERING QUOTED STRINGS When you enter double- or single-quoted strings (without going into detail about what this means, for now), a particular gotcha worth bringing up right away...