From owner-freebsd-questions@FreeBSD.ORG Mon Jun 23 20:40:38 2008 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 1DE071065672 for ; Mon, 23 Jun 2008 20:40:38 +0000 (UTC) (envelope-from wojtek@wojtek.tensor.gdynia.pl) Received: from wojtek.tensor.gdynia.pl (wojtek.tensor.gdynia.pl [IPv6:2001:4070:101:2::1]) by mx1.freebsd.org (Postfix) with ESMTP id 1C5D48FC1A for ; Mon, 23 Jun 2008 20:40:36 +0000 (UTC) (envelope-from wojtek@wojtek.tensor.gdynia.pl) Received: from wojtek.tensor.gdynia.pl (localhost [IPv6:::1]) by wojtek.tensor.gdynia.pl (8.14.2/8.14.2) with ESMTP id m5NKeRaK009584; Mon, 23 Jun 2008 22:40:27 +0200 (CEST) (envelope-from wojtek@wojtek.tensor.gdynia.pl) Received: from localhost (wojtek@localhost) by wojtek.tensor.gdynia.pl (8.14.2/8.14.2/Submit) with ESMTP id m5NKeQha009581; Mon, 23 Jun 2008 22:40:26 +0200 (CEST) (envelope-from wojtek@wojtek.tensor.gdynia.pl) Date: Mon, 23 Jun 2008 22:40:26 +0200 (CEST) From: Wojciech Puchar To: Steve Bertrand In-Reply-To: <486000FF.2090102@ibctech.ca> Message-ID: <20080623223954.R9580@wojtek.tensor.gdynia.pl> References: <340a29540806231257x670cf398qc5bf11c396fd0afb@mail.gmail.com> <486000FF.2090102@ibctech.ca> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed Cc: freebsd-questions@freebsd.org, Andrew Falanga Subject: Re: Wipe a drive clean 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: Mon, 23 Jun 2008 20:40:38 -0000 >> I'm having no luck finding hits for "wipe drive" or "zero drive" in >> the mail list archives and I can't believe I'm the first to ask this >> question but here it is anyway. How can I simply write 0's across a >> USB thumb drive? I'd rather not install a port, if I can avoid it. I >> was thinking that something like dd would work, but everything I've >> tried thus far is not working. What suggestions does everyone have? > > Will... > > dd if=/dev/zero of=/dev/disk > dd if=/dev/zero of=/dev/disk bs=1m bs may be smaller but not the default 512 bytes. it's a block size. having very small block will make the process slow > ...work? > > Steve > _______________________________________________ > freebsd-questions@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-questions > To unsubscribe, send any mail to "freebsd-questions-unsubscribe@freebsd.org" > >