How to extract all links from a website?

I wonder if there's a way to extract all website links
Ex. Example.com
Result will be like this
Example.com/help/
Example.com/user/
http://ift.tt/1WSv0Ow
And so on, I used google search, and it shows a prefect results (site:Example.com) the problem is it doesn't give me all links
Ex. Example.com
http://ift.tt/23yGuLT
http://ift.tt/1WSv0Oy