disk usage statistics

[Michal]

Wojciech Puchar wrote:
>> Could you suggest me how can I get my disk usage statistics in terms of
>> percentage of the possible disk activity (like in gstat) or megabytes
>> per second (like in iostat), please?
> 
> systat
> 
> then type
> :vmstat
> 

I need something not interactive, command that prints what it knows and 
quits. I want to use it's output in a script.

Michal.
-- 
"But all endings are also beginnings. We just don't know it at the 
time." -Mitch Albom