Best program to zero format my hard drive?

Joined
Feb 25, 2004
Messages
592
Guys I'm going to sell my Pc with the hard drive any recommendations on programs to zero format a hard drive

thanks
 
Code:
dd if=/dev/zero of=/dev/hdx
(or sdx) where x is abcd.. etc or /dev/urandom instead of zero works well, too.
 
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