From owner-freebsd-questions@FreeBSD.ORG Wed Dec 23 21:44:36 2009 Return-Path: <owner-freebsd-questions@FreeBSD.ORG> 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 C62FE1065679 for <freebsd-questions@freebsd.org>; Wed, 23 Dec 2009 21:44:36 +0000 (UTC) (envelope-from mel.flynn+fbsd.questions@mailing.thruhere.net) Received: from mailhub.rachie.is-a-geek.net (rachie.is-a-geek.net [66.230.99.27]) by mx1.freebsd.org (Postfix) with ESMTP id 98EC88FC0A for <freebsd-questions@freebsd.org>; Wed, 23 Dec 2009 21:44:36 +0000 (UTC) Received: from smoochies.rachie.is-a-geek.net (mailhub.lan.rachie.is-a-geek.net [192.168.2.11]) by mailhub.rachie.is-a-geek.net (Postfix) with ESMTP id BD7F27E821; Wed, 23 Dec 2009 12:44:35 -0900 (AKST) From: Mel Flynn <mel.flynn+fbsd.questions@mailing.thruhere.net> To: freebsd-questions@freebsd.org Date: Wed, 23 Dec 2009 12:44:30 -0900 User-Agent: KMail/1.12.1 (FreeBSD/8.0-STABLE; KDE/4.3.1; i386; ; ) References: <64c038660912231105i268aa065mef1b826a87a15954@mail.gmail.com> In-Reply-To: <64c038660912231105i268aa065mef1b826a87a15954@mail.gmail.com> MIME-Version: 1.0 Content-Type: Text/Plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Message-Id: <200912231244.30353.mel.flynn+fbsd.questions@mailing.thruhere.net> Cc: Modulok <modulok@gmail.com> Subject: Destroying a CD-R without a sledgehammer (Was: Re: (no subject)) X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions <freebsd-questions.freebsd.org> List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-questions>, <mailto:freebsd-questions-request@freebsd.org?subject=unsubscribe> List-Archive: <http://lists.freebsd.org/pipermail/freebsd-questions> List-Post: <mailto:freebsd-questions@freebsd.org> List-Help: <mailto:freebsd-questions-request@freebsd.org?subject=help> List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-questions>, <mailto:freebsd-questions-request@freebsd.org?subject=subscribe> X-List-Received-Date: Wed, 23 Dec 2009 21:44:36 -0000 On Wednesday 23 December 2009 10:05:40 Modulok wrote: > List, > > Is there a software method (not a microwave oven) to destroy a CD-R? No. A CD-R is only readable once written. Rewritable CD's (CD-RW) you can reformat using your favorite burn tool, which should provide a short and long blank method. See for example the 'blank' and 'erase' command for burncd(8) for specifics. -- Mel