From owner-freebsd-hackers@FreeBSD.ORG Fri Aug 29 19:56:46 2003 Return-Path: Delivered-To: freebsd-hackers@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 557D616A4BF for ; Fri, 29 Aug 2003 19:56:46 -0700 (PDT) Received: from web41408.mail.yahoo.com (web41408.mail.yahoo.com [66.218.93.74]) by mx1.FreeBSD.org (Postfix) with SMTP id D0C9D43FEA for ; Fri, 29 Aug 2003 19:56:45 -0700 (PDT) (envelope-from zera_holladay@yahoo.com) Message-ID: <20030830025645.37066.qmail@web41408.mail.yahoo.com> Received: from [65.43.108.174] by web41408.mail.yahoo.com via HTTP; Fri, 29 Aug 2003 19:56:45 PDT Date: Fri, 29 Aug 2003 19:56:45 -0700 (PDT) From: zera holladay To: hackers@freebsd.org MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Subject: Shared memory question X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 30 Aug 2003 02:56:46 -0000 When one uses the term "shared memory" while discussing Unix, then what is generally the meaning of that term? I have read that some Unixes have "shared memory" for "shared objects." However, I believe the term "shared memory" more generically refers to user space as opposed to kernel space? Further, the kernel should allocate and deallocate memory for user space as requested so as not to crash the system. If this is correct, then it is very unlikely that a program running in user space will ever crash a properly configured unix system? Thank you for your patience. Zera __________________________________ Do you Yahoo!? Yahoo! SiteBuilder - Free, easy-to-use web site design software http://sitebuilder.yahoo.com