I'm basically looking for a utility that displays which processes are using how much bandwidth, similar to how
top displays which processes use how much resources.
Have a look at ntop.org.
I would like to add iptraf to the list. http://iptraf.seul.org
netstat can give you usage statistics on a per socket basis.
You can get stats from
netstat via the
-s flag, and per-process from the