As you know, Austrians are very friendly people. Part of being friendly is to have manners. Having manners includes that you greet. You also know, that Austrians are super-efficient. As such, they have multi-purpose words: You can use the same word in multiple situations. One of these words is Servus. The word comes from the Latin servant of slave. According to Wikipedia "The phrase is an ellipsis of a Latin expression servus humillimus, domine spectabilis , meaning "[your] most humble servant, [my] noble lord." No subservience is implied in its modern use, which has the force of "at your service." Servus is the origin of the word serf ." - But that sounds very complicated. Servus is great, because you can use it to say Hi when you meet somebody. You can use it when you cheers with somebody. You can use it to say Good Bye. Or to put it with the words of the late and great Peter Alexander: Every city has their own parting words; in Paris you
This should be a humorous guide for people learning or trying to understand the German spoken in Austria. And there are lots of problems, like Austrians make everything small in their language. And with some words they got so used to the small form, that they don’t even have a normal form for it anymore, like Eutzerl, there is no such thing as a Eutz.