dustinrue/ControlPlane — comment on commit bed1614858a8908146c5acbef8b97e2a82a33aa3
File:  line 0
By dustinrue:

FWIW, this document talks a bit about using : for mass commenting, but not the first line. OS X definitely does understand it at the top of a file though - http://wiki.bash-hackers.org/scripting/basics