On 2014-02-06 22:16:56 -0500, Chet Ramey wrote:
> OK, I'll bite.  What is C-c C-c supposed to do?  It looks like it just
> spews a bunch of garbage to your screen.  Is that the intent?

According to the Emacs manual[0]:

> Interrupt the shell or its current subjob if any
> (comint-interrupt-subjob). This command also kills any shell input
> pending in the shell buffer and not yet sent.

I should disclaim that I'm not an Emacs user, so it's quite possible
that I am looking at the wrong part of the manual.

[0]: http://www.gnu.org/software/emacs/manual/html_node/emacs/Shell-Mode.html