It may not be exactly "like" a command line (whatever that means), but it will effectively function like one, as far as most people are concerned. To a large ex

It may not be exactly "like" a command line (whatever that means), but it will effectively function like one, as far as most people are concerned. To a large extent, you could argue that the command line is already an expert system - after all, it only understands a few specific commands and needs very exact syntax to work. Siri is already one step ahead of that, by having looser syntax.