There's no need to apologise ! We have an article on the life of a session, however, if you'd care to elaborate on your question then maybe we could assist you more? From what I gather though you're just looking to set up a basic session?
The PHP online manual is a great thing to browse when you're lost, it has good categorization of functions and objects.
__________________ Programmers are in a race with the Universe to create bigger and better idiot-proof programs, while the Universe is trying to create bigger and better idiots. So far the Universe is winning. - Rich Cook