> Seems to me that it should unlink the old file, then release the disk space
> when the file is closed.  Is this not the case?  I know that every time I
> do a 'make install' in the source tree, it has no problems updating an
> active system...
> 
	Thats what tar --unlink -xvzpf file.tar.gz is for :)

.---- I've been too drunk to love ----.--- I've been too drunk to remember -.
|          Too drunk to care          |     The hell of the night before    |
|  Looked like death, felt like Hell  |    I've been drinking myself blind  |
`------ Been the worse for wear ------'--- And still I'll drink some more --'