Date: Mon, 07 Feb 2000 11:57:49 -0800 From: Gregory Carvalho <GregoryC@stcinc.com> To: FreeBSD Questions <freebsd-questions@FreeBSD.ORG> Subject: Re: about dd Message-ID: <389F23BD.22E74981@stcinc.com> References: <20000207183828.21660.qmail@hotmail.com>
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You need to clear sector 1 (which houses the partition table and MBR). That is the most critical. If you do not specify a count, it will zero the whole drive which may take some time:) Jerry Lei wrote: > > Hi, I read the low level format of Hard Disk in the FreeBSD installation > guide. > The author use > dd if=/dev/zero of=/dev/da1 count=100 > > I have a question, why count=100? I use man dd, the manual says that count=n > means Copy only n input blocks. If I use HD whose size more than the example > one in the book. Do I still use count=100? To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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