From owner-freebsd-questions@FreeBSD.ORG Sat Jan 10 19:06:22 2009 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id C996310656DD for ; Sat, 10 Jan 2009 19:06:22 +0000 (UTC) (envelope-from freebsd-questions-local@be-well.ilk.org) Received: from mail7.sea5.speakeasy.net (mail7.sea5.speakeasy.net [69.17.117.9]) by mx1.freebsd.org (Postfix) with ESMTP id A14D78FC19 for ; Sat, 10 Jan 2009 19:06:22 +0000 (UTC) (envelope-from freebsd-questions-local@be-well.ilk.org) Received: (qmail 14645 invoked from network); 10 Jan 2009 19:06:22 -0000 Received: from dsl092-078-145.bos1.dsl.speakeasy.net (HELO be-well.ilk.org) ([66.92.78.145]) (envelope-sender ) by mail7.sea5.speakeasy.net (qmail-ldap-1.03) with SMTP for ; 10 Jan 2009 19:06:21 -0000 Received: from lowell-desk.lan (lowell-desk.lan [172.30.250.6]) by be-well.ilk.org (Postfix) with ESMTP id E194F50842; Sat, 10 Jan 2009 14:06:18 -0500 (EST) Received: by lowell-desk.lan (Postfix, from userid 1147) id 3182E1CD43; Sat, 10 Jan 2009 14:06:18 -0500 (EST) To: "gpeel" References: <20090110175323.M10662@thenetnow.com> From: Lowell Gilbert Date: Sat, 10 Jan 2009 14:06:17 -0500 In-Reply-To: <20090110175323.M10662@thenetnow.com> (gpeel@thenetnow.com's message of "Sat\, 10 Jan 2009 12\:55\:41 -0500") Message-ID: <447i532d7a.fsf@lowell-desk.lan> User-Agent: Gnus/5.11 (Gnus v5.11) Emacs/22.3 (berkeley-unix) MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: freebsd-questions@freebsd.org Subject: Re: wiping a drive with dd X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 10 Jan 2009 19:06:23 -0000 "gpeel" writes: > When dd is used like: > > dd if="/dev/0" of="/dev/da1" bs="1024" > > Does it completely wipe the drive INCLUDING the boot sectors etc? (i.e. does > it start right at secor 0 of the disk and continue to the last sector?). Assuming you mean /dev/zero, yes. -- Lowell Gilbert, embedded/networking software engineer, Boston area http://be-well.ilk.org/~lowell/