"top" for disk access?

Sat Mar 8 19:25:34 UTC 2008

On Sat, Mar 08, 2008 at 07:41:48PM +0100, Francisco Borges wrote:
> Hello,
> 
> When I want to discover which programs are eating all the processing
> time, or memory I use "htop" (a beter "top" IMHO).
> 
> What should I use to visualize which programs are doing disk access
> and how much?

s/programs/files

https://lists.ubuntu.com/archives/ubuntu-users/2008-January/134195.html
and the rest of that thread had some suggestions.