Hugging and Shaking Hands
This post is first in the series about culture and life at US Universities. Adjusting to a new culture is an important part of success at US Universities. There are norms in every culture about what is acceptable and what is not. Even within USA, hugging may be appropriate in some settings and totally inappropriate in some other. Shaking hands is almost always a appropriate behavior. A good thumbrule is to ask or find out before indulging in any behavior that may be offensive for someone.
For more insights read this article by Ruth Mantell