cleaning /usr/obj before copying it to USB key

[Wojciech Puchar]

> my problem is that the both 'cp -Rp ...' commands takes many hours (12
> and six hours) because they are transferring a lot(!!!) of small files; I

unless you want to kill you USB drive quickly (yes, it simulates disk THAT 
badly) then create image file on your hard disk exactly equal to your USB 
, use mdconfig, make all you need and then write with dd.