swcarpentry/bc — pull request #820 by psteinb (2014-10-29 15:11:33+00:00)
Title: added explanation on why the shell is called the shell. One might be abl...

...e to play the historic card on this metaphor, a la http://en.wikipedia.org/wiki/The_Birth_of_Venus_(Botticelli), but I thought this would too much

I submit this pull request to qualify as software carpentry instructor