From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on inbox.vuxu.org X-Spam-Level: X-Spam-Status: No, score=-0.8 required=5.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, RCVD_IN_DNSWL_NONE autolearn=ham autolearn_force=no version=3.4.2 Received: from minnie.tuhs.org (minnie.tuhs.org [45.79.103.53]) by inbox.vuxu.org (OpenSMTPD) with ESMTP id ab3a7ed2 for ; Fri, 2 Aug 2019 15:18:06 +0000 (UTC) Received: by minnie.tuhs.org (Postfix, from userid 112) id DD73B9BAD7; Sat, 3 Aug 2019 01:18:04 +1000 (AEST) Received: from minnie.tuhs.org (localhost [127.0.0.1]) by minnie.tuhs.org (Postfix) with ESMTP id 08B5B9BA8B; Sat, 3 Aug 2019 01:17:45 +1000 (AEST) Authentication-Results: minnie.tuhs.org; dkim=pass (1024-bit key; unprotected) header.d=kilonet.net header.i=@kilonet.net header.b="Yte1L8O6"; dkim-atps=neutral Received: by minnie.tuhs.org (Postfix, from userid 112) id CB5519BA8B; Sat, 3 Aug 2019 01:17:43 +1000 (AEST) Received: from p3plsmtpa06-05.prod.phx3.secureserver.net (p3plsmtpa06-05.prod.phx3.secureserver.net [173.201.192.106]) by minnie.tuhs.org (Postfix) with ESMTPS id 32DAA9BA80 for ; Sat, 3 Aug 2019 01:17:43 +1000 (AEST) Received: from medusa.kilonet.net ([72.69.11.12]) by :SMTPAUTH: with ESMTPA id tZJNhmYikRc2ztZJOh4CcU; Fri, 02 Aug 2019 08:17:42 -0700 Received: from [199.89.231.101] (ender.kilonet.net [199.89.231.101]) by medusa.kilonet.net (8.14.8/8.15.1) with ESMTP id x72FHeSg018993 for ; Fri, 2 Aug 2019 11:17:40 -0400 (EDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kilonet.net; s=default; t=1564759061; bh=hjk2R1W/C5DRPrj4EyVHDE0jHDK7AUqB/L3BUnZ0wMw=; h=Subject:To:References:From:Date:In-Reply-To; b=Yte1L8O6hbm5p7+ZRNC/z5oaL0pGC5HnZrMsUC1wje7cKDxe7LSlRA4Kj84BiL0tO 4Ct7ZgKdhX/LTsGnxF5HFpWua9D8kpNGt9cyv7A0OyjIulMSSO0RiYgAfw1Ye9iKMi 6L++md6YWLmHKfueEVni8PQ0lPpwRiKXv9drSpnA= To: tuhs@minnie.tuhs.org References: <20190802143531.96D4218C096@mercury.lcs.mit.edu> From: Arthur Krewat Message-ID: Date: Fri, 2 Aug 2019 11:17:31 -0400 User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:60.0) Gecko/20100101 Thunderbird/60.8.0 MIME-Version: 1.0 In-Reply-To: <20190802143531.96D4218C096@mercury.lcs.mit.edu> Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit Content-Language: en-US X-CMAE-Envelope: MS4wfCHk8GByf5JrAQK9zJWAAuqk2rQlaGT3hEyRk+Q7Pn62JNWJE9nQ7aj8WI1Y8Sl12UdSAKlxhzO9aJYj6xc8KuxMWaYOhtoUralaq0x8PSSiW36YOQpH nkMW8bm81tRhRXq0N0BM/Y6A0e5nSPGMnl8Q8ACfrj9MZGY6Dj08hkYW Subject: Re: [TUHS] Who's behind the UNIX filesystem permission X-BeenThere: tuhs@minnie.tuhs.org X-Mailman-Version: 2.1.26 Precedence: list List-Id: The Unix Heritage Society mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: tuhs-bounces@minnie.tuhs.org Sender: "TUHS" On 8/2/2019 10:35 AM, Noel Chiappa wrote: > > From: Arthur Krewat > > > there's the setuid bit on directories - otherwise known as the sticky > > bit. > > Minor nit; in V6 at least (not sure about later), the 'sticky' bit was a > separate bit from SUID and SGID. (When set on a pure/split object file, it > told the OS to retain the text image on the swap device even when no active > process was using it. Hence the name...) > Ah yes, I remember that now... sorry. Sticky bit is the low-order bit on the first octet which is usually left off and assumed to be zero. So to set it, it would be 1755. 4755 would be setuid. Woops. art k.