The video here is from youtube and shows a very simple and straight forward ubuntu installation together with samba file server. Just take a look the video bellow on how to setup samba on ubuntu server and make this as a file server that is accessible on any operating systems like winds, linux or unix (apple pcs).
Setting up ubuntu file server with samba
The best thing about samba file server is that, it is very simple to install and you can control who are the users entitled to access the shared folders. So I recommend this for newbies as a starting file server if they need simple and easy to understand.