fraternity rush

I am undecided on whether I will go to Auburn or Alabama or Samford. At this point leaning Samford. The only school I would want to consider greek life in would be Samford because it's so much smaller and it seems being a part of a fraternity might be cool. But, because I haven't really considered greek life much before, can someone fill me in on what's involved in the process? or tell me where to go to read up on it? Thanks.