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Low-level format / hd copying



Two questions:

1. How can I do a low-level format on a harddisk?  I haven't been able to 
find a utility to do this.

2. If I want to make an exact copy of a harddisk, I should do something 
like

     dd if=/dev/sda1 of=/dev/sdb1 bs=1024

right?  If not, what is the best method (which would preserve pewmissions 
etc.)?

--------------------------------------------------------------------------
Itamar S.-T.                                               itamars@ibm.net
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