Peter, Brad, On 2005 May 10 , at 21.03, Peter W. Draper wrote: > this is a feature of HDS. The space taken by erased objects is not > released until a new copy of the whole HDS file is made (otherwise each > erase would have to be followed by a reorder of all the contents of the > file). To "recover" the space you need to do an NDFCOPY. It's a pity that files can't be made sparse. I took a quick look at Google, and saw suggestions that this is possible on XP, and possible on ext2fs if you unmount the filesystem first, but nothing actually useful. Pity. Norman -- ---------------------------------------------------------------------- Norman Gray : Physics & Astronomy, Glasgow University, UK http://www.astro.gla.ac.uk/users/norman/ : www.starlink.ac.uk