Michael Mansour asked about copying 79 GB of data and it ending up as 120 odd GB. You can also use cd /data01 for i in * ; do du -sk "$i" "/data02/$i" ; done | more to compare directory by directory where the size increase has occurred. Then you can drill down using variants of the same command line. HTH, James. -- E-mail address: james@ | "The US Air Force is removing harmful "greenhouse" westexe.demon.co.uk | gases from the cooling systems of intercontinental | ballistic missiles. This will minimise damage to the | ozone layer in the event of a nuclear holocaust." | -- The Guardian.