Well it's not quite that simple because it's more complicated than those tools. Once you are in ex mode ':' though it uses the standard exit key. As for if you

Well it's not quite that simple because it's more complicated than those tools. Once you are in ex mode ':' though it uses the standard exit key. As for if you stuck in insert mode, this is more akin to when you have text highlighted in a GUI editor, the shortcuts change because you're in a different mode. Remember all editors have modes, vim is just a bit more in your face with them.