Is there a way to let Vim on Mac OS highlighten syntax of different languages in Terminal? I would guess for vim it is a .vimrc thing, right? (But I cannot find this file in my home folder).
You most probably want to enable indentation along with syntax highlighting, so add these to lines to ~/.vimrc
filetype plugin indent on syntax on
Steps with screenshots can be found here http://osxandiosdaily.com/how-to-enable-vim-syntax-highlighting-on-mac-osx/