Nevermind.  Just saw that /usr is on different partition.  

On Fri Feb 07, 2003 at 01:13:30PM -0500, Courtney Spencer wrote:
> There is no missing space.  He pruned out /usr and /mnt from "xargs du" with the exc
eption grep.  No doubt /usr will have most of space used.
>
>
>
> On Thu, Feb 06, 2003 at 06:27:56PM -0500, James K. Lowden wrote:
> >> What would you do?
>
> >First, I'd find the discrepancy between the du's that you did >and the space
> >consumed on /.  You're missing a large amount of used space.
>
> > $ df -k;  pwd; ls  |grep -Ev 'usr|mnt' |xargs sudo du -xskc |sort -rn
>