Read
this tutorial[
^] on a singly linked list then read
this tutorial[
^] on a doubly linked list.
If you need more remember that Google is your friend, you can use it to find many tutorials on the internet.
After you have read those articles write some of your own code. If you have a problem, post the code where you are having the problem AND clearly state the problem including any error messages. We will then be glad to help you solve your problem.