From unknown Sat Jun 21 05:00:23 2025 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-Mailer: MIME-tools 5.509 (Entity 5.509) Content-Type: text/plain; charset=utf-8 From: bug#29317 <29317@debbugs.gnu.org> To: bug#29317 <29317@debbugs.gnu.org> Subject: Status: info shred:documentation feedback Reply-To: bug#29317 <29317@debbugs.gnu.org> Date: Sat, 21 Jun 2025 12:00:23 +0000 retitle 29317 info shred:documentation feedback reassign 29317 coreutils submitter 29317 kalle severity 29317 normal thanks From debbugs-submit-bounces@debbugs.gnu.org Thu Nov 16 05:38:34 2017 Received: (at submit) by debbugs.gnu.org; 16 Nov 2017 10:38:34 +0000 Received: from localhost ([127.0.0.1]:42646 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1eFHZ4-0001Yh-DW for submit@debbugs.gnu.org; Thu, 16 Nov 2017 05:38:34 -0500 Received: from eggs.gnu.org ([208.118.235.92]:37553) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1eFHZ2-0001YU-W4 for submit@debbugs.gnu.org; Thu, 16 Nov 2017 05:38:33 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1eFHYw-0007lq-Vb for submit@debbugs.gnu.org; Thu, 16 Nov 2017 05:38:27 -0500 X-Spam-Checker-Version: SpamAssassin 3.3.2 (2011-06-06) on eggs.gnu.org X-Spam-Level: X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00,T_DKIM_INVALID autolearn=disabled version=3.3.2 Received: from lists.gnu.org ([2001:4830:134:3::11]:57381) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1eFHYw-0007lU-SB for submit@debbugs.gnu.org; Thu, 16 Nov 2017 05:38:26 -0500 Received: from eggs.gnu.org ([2001:4830:134:3::10]:56730) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1eFHYv-0001B2-U0 for bug-coreutils@gnu.org; Thu, 16 Nov 2017 05:38:26 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1eFHYt-0007cy-OA for bug-coreutils@gnu.org; Thu, 16 Nov 2017 05:38:25 -0500 Received: from mail.netzguerilla.net ([217.11.57.120]:34335) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1eFHYt-0007aF-IC for bug-coreutils@gnu.org; Thu, 16 Nov 2017 05:38:23 -0500 Received: from localhost (localhost [127.0.0.1]) by mail.netzguerilla.net (Postfix) with ESMTP id 73B6E100013 for ; Thu, 16 Nov 2017 11:38:22 +0100 (CET) X-Virus-Scanned: Debian amavisd-new at netzguerilla.net Received: from mail.netzguerilla.net ([217.11.57.120]) by localhost (sal.netzguerilla.net [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id oAO7kItXvS5m for ; Thu, 16 Nov 2017 11:38:21 +0100 (CET) Received: from [IPv6:2003:dd:ff22:fd01:226:18ff:fee1:ab1b] (p200300DDFF22FD01022618FFFEE1AB1B.dip0.t-ipconnect.de [IPv6:2003:dd:ff22:fd01:226:18ff:fee1:ab1b]) by mail.netzguerilla.net (Postfix) with ESMTPSA id 54C17100012 for ; Thu, 16 Nov 2017 11:38:21 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=projektwerkstatt.de; s=fckp; t=1510828701; bh=MQyVrsT+QPX5wfRGGtjCBZQ7KVn8nAljYxEQC4m4J4w=; h=Date:From:To:Subject:From; b=O194WPaGaqXAjiEAQ6RSvotG/Fylkgr3r4RI518jV+spw5TQ5bPaJm+AOOwm6XpyJ JbP+7EwHBX9lD9xhSVRFDihtNX7CpV0T2a9rEhq+zMIoFPW2iUbf2F5n3xGiwwpDTv OCYgy9s3bHRy9AP96vTnu7mbcq0xsV50c8sGhPRjuBPocIFzdDO3JfNOPaHqCpBPAo hIplAJP49z8vLz8c+Wh4ANFTjaiCFJXARrVxslG6WEY9N3x/9L4Yt14hGVSt0od6z0 vv70WUzhXtWNikqZq/chUITDi5MAmLULDjPeB1BhjNvYhGtY+nc01ldQJbrXg7+nJq +qoz9fCP3bTCQ== Message-ID: <5A0D78A1.80306@projektwerkstatt.de> Date: Thu, 16 Nov 2017 12:38:09 +0100 From: kalle User-Agent: Mozilla/5.0 (X11; Linux i686; rv:31.0) Gecko/20100101 Icedove/31.2.0 MIME-Version: 1.0 To: bug-coreutils@gnu.org Subject: info shred:documentation feedback Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6.x X-Received-From: 2001:4830:134:3::11 X-Spam-Score: -5.0 (-----) X-Debbugs-Envelope-To: submit X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: debbugs-submit-bounces@debbugs.gnu.org Sender: "Debbugs-submit" X-Spam-Score: -5.0 (-----) hello, - at the sentence "by default does not truncate": what does truncating a file means? Could this be described better in the manual? -part "on a busy system": why is this written here? Is this a usual method to overwrite content? thanks, kalle From debbugs-submit-bounces@debbugs.gnu.org Sat Dec 09 19:56:16 2017 Received: (at 29317-done) by debbugs.gnu.org; 10 Dec 2017 00:56:16 +0000 Received: from localhost ([127.0.0.1]:54317 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1eNpuh-0000bv-Qx for submit@debbugs.gnu.org; Sat, 09 Dec 2017 19:56:16 -0500 Received: from mail.magicbluesmoke.com ([82.195.144.49]:52694) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1eNpuf-0000bn-Ix for 29317-done@debbugs.gnu.org; Sat, 09 Dec 2017 19:56:14 -0500 Received: from localhost.localdomain (c-73-158-116-184.hsd1.ca.comcast.net [73.158.116.184]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.magicbluesmoke.com (Postfix) with ESMTPSA id 45B0894C4; Sun, 10 Dec 2017 00:56:12 +0000 (GMT) Subject: Re: bug#29317: info shred:documentation feedback To: kalle , 29317-done@debbugs.gnu.org References: <5A0D78A1.80306@projektwerkstatt.de> From: =?UTF-8?Q?P=c3=a1draig_Brady?= Message-ID: <18e03dc4-78e6-0fb4-cc9a-2db4099a769e@draigBrady.com> Date: Sat, 9 Dec 2017 16:56:10 -0800 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.8.0 MIME-Version: 1.0 In-Reply-To: <5A0D78A1.80306@projektwerkstatt.de> Content-Type: multipart/mixed; boundary="------------A0D25F85622653A7D9EDB885" X-Spam-Score: 0.0 (/) X-Debbugs-Envelope-To: 29317-done X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: debbugs-submit-bounces@debbugs.gnu.org Sender: "Debbugs-submit" X-Spam-Score: 0.0 (/) This is a multi-part message in MIME format. --------------A0D25F85622653A7D9EDB885 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit On 16/11/17 03:38, kalle wrote: > hello, > > - at the sentence "by default does not truncate": what does truncating a > file means? Could this be described better in the manual? > -part "on a busy system": why is this written here? Is this a usual > method to overwrite content? truncate deallocates data. remove deletes the reference to the data. I suppose truncate is to deallocate, as unlink is to remove, so the attached uses 'deallocate' instead of 'truncate'. cheers, Pádraig --------------A0D25F85622653A7D9EDB885 Content-Type: text/x-patch; name="shred-deallocate.patch" Content-Transfer-Encoding: quoted-printable Content-Disposition: attachment; filename="shred-deallocate.patch" =46rom 6150b10698a4c3757630aba76720e7262d0590bd Mon Sep 17 00:00:00 2001 From: =3D?UTF-8?q?P=3DC3=3DA1draig=3D20Brady?=3D Date: Sat, 9 Dec 2017 16:49:45 -0800 Subject: [PATCH] doc: shred: change 'truncate' to the more descriptive 'deallocate' * doc/coreutils.texi (shred invocation): s/truncate/deallocate/. * src/shred.c (usage): Likewise. Fixes https://bugs.gnu.org/29317 --- doc/coreutils.texi | 6 +++--- src/shred.c | 2 +- 2 files changed, 4 insertions(+), 4 deletions(-) diff --git a/doc/coreutils.texi b/doc/coreutils.texi index ed3a633..bd766e4 100644 --- a/doc/coreutils.texi +++ b/doc/coreutils.texi @@ -9958,8 +9958,8 @@ destroy it. @command{shred} makes no attempt to detect or report this problem, just = as it makes no attempt to do anything about backups. However, since it is more reliable to shred devices than files, @command{shred} by default do= es -not truncate or remove the output file. This default is more suitable -for devices, which typically cannot be truncated and should not be +not deallocate or remove the output file. This default is more suitable= +for devices, which typically cannot be deallocated and should not be removed. =20 Finally, consider the risk of backups and mirrors. @@ -10016,7 +10016,7 @@ the whole file. @var{bytes} can be followed by a= size specification like @opindex --remove=3Dwipe @opindex --remove=3Dwipesync @cindex removing files after shredding -After shredding a file, truncate it (if possible) and then remove it. +After shredding a file, deallocate it (if possible) and then remove it. If a file has multiple links, only the named links will be removed. Often the file name is less sensitive than the file data, in which case the optional @var{how} parameter, supported with the long form option, diff --git a/src/shred.c b/src/shred.c index f2b5d27..b1f0b64 100644 --- a/src/shred.c +++ b/src/shred.c @@ -186,7 +186,7 @@ If FILE is -, shred standard output.\n\ -s, --size=3DN shred this many bytes (suffixes like K, M, G accepted= )\n\ "), DEFAULT_PASSES); fputs (_("\ - -u truncate and remove file after overwriting\n\ + -u deallocate and remove file after overwriting\n\ --remove[=3DHOW] like -u but give control on HOW to delete; See = below\n\ -v, --verbose show progress\n\ -x, --exact do not round file sizes up to the next full block;\n\ --=20 2.9.3 --------------A0D25F85622653A7D9EDB885-- From unknown Sat Jun 21 05:00:23 2025 Received: (at fakecontrol) by fakecontrolmessage; To: internal_control@debbugs.gnu.org From: Debbugs Internal Request Subject: Internal Control Message-Id: bug archived. 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