On Mon, Nov 12, 2001 at 11:53:19AM +0100, Adam Majewski wrote:
>  du says that in use is 3168104 k
>  df says that in use is 3870832 k
> 
>  difference is about 700 MB, anybody know why?

You have a file which you have deleted, but which is still kept open
by some process, so it can't be removed from the disk.  du can't see
this file (it has no directory entry), but df still accounts the space
used by the file.

Just a wild guess, though.. ;)

  -jm