As an alias it is no problem, I was just afraid of using some commands when they miss certain additional functionality. In case that annoys people. It can be added in easily otherwise.
Think of the 'helpme' as a stopgap to avoid writing a story / real introduction. When I changed mechanics before it meant scrapping a lot of dialogue as well.
Tab is meant to be abused. It is to help give off that speed hacker feel. How you see them in the movies just typing instinctively. That is why long strings like superuser are unique after the first 1 or 2 characters.
Thanks again!