From owner-freebsd-questions@FreeBSD.ORG Sat May 26 02:05:54 2012 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id A68B71065670 for ; Sat, 26 May 2012 02:05:54 +0000 (UTC) (envelope-from jherman@dichotomia.fr) Received: from mail.dichotomia.fr (hydrogen.dichotomia.net [91.121.82.228]) by mx1.freebsd.org (Postfix) with ESMTP id 6B15B8FC15 for ; Sat, 26 May 2012 02:05:54 +0000 (UTC) Received: from [192.168.2.11] (unknown [109.190.13.180]) (Authenticated sender: kha@dichotomia.fr) by sslmail.dichotomia.fr (Postfix) with ESMTPSA id 92DFA3DD098; Sat, 26 May 2012 03:56:45 +0200 (CEST) Message-ID: <4FC03896.6090901@dichotomia.fr> Date: Sat, 26 May 2012 03:57:42 +0200 From: Jerome Herman User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:12.0) Gecko/20120428 Thunderbird/12.0.1 MIME-Version: 1.0 To: Polytropon , FreeBSD References: <20120526034515.38c6191b.freebsd@edvax.de> In-Reply-To: <20120526034515.38c6191b.freebsd@edvax.de> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Cc: Subject: Re: Terminology: wheel 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, 26 May 2012 02:05:54 -0000 On 26/05/2012 03:45, Polytropon wrote: > What inspiration (or maybe logical thought) is behind the > _naming_ of the "wheel" group? > > I could find many explainations of what "wheel" is, what it > is for and how it is used (basic knowledge, I know), but I > couldn't find anything that states why this name has been > chosen. From other UNIX systems I know that there are groups > performing similar functions, but having different names > (such as "sysadmin" on Solaris prior to RBAC). > > This question definitely shows my age. :-) > > > Legend as ti it was first used as a joke on Xerox system. There was a special bit that indicated that some operations could be accomplished, basically it was the ancestor of kernel space on old time sharing system, invented on TENEX. When it came to naming the bit it was turned into a pun : the bit wheel. The big wheel being a slang term meaning "powerful person in charge". So basically it was bit wheel for the powerful process in charge. I do not know if it is accurate though, I wasn't at Xerox at the time and I never even saw a Tenex in all my life, but it seems the official explanation (at least the one all over the Internet). If someone can confirm/infirm...