What's the best way of achieving this? Newbie question

Being new to this, I'm a bit unsure as to how to achieve the below, because I don't understand completely how the dataset permissions work and if they can be shared across different users and services.

I basically want one dataset - which is a backup/sync of all my docs/pics/etc from my home pc. Within that dataset, I want certain folders (work docs) to be synced to my work pc and laptop. I also want the whole dataset to be available via FTP.

Is this possible? If so, is there a particular...

What's the best way of achieving this? Newbie question