From owner-svn-doc-all@FreeBSD.ORG Wed Sep 10 22:34:24 2014 Return-Path: Delivered-To: svn-doc-all@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id 15288491; Wed, 10 Sep 2014 22:34:24 +0000 (UTC) Received: from svn.freebsd.org (svn.freebsd.org [IPv6:2001:1900:2254:2068::e6a:0]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id F33B8787; Wed, 10 Sep 2014 22:34:23 +0000 (UTC) Received: from svn.freebsd.org ([127.0.1.70]) by svn.freebsd.org (8.14.9/8.14.9) with ESMTP id s8AMYNnh012427; Wed, 10 Sep 2014 22:34:23 GMT (envelope-from wblock@FreeBSD.org) Received: (from wblock@localhost) by svn.freebsd.org (8.14.9/8.14.9/Submit) id s8AMYNug012426; Wed, 10 Sep 2014 22:34:23 GMT (envelope-from wblock@FreeBSD.org) Message-Id: <201409102234.s8AMYNug012426@svn.freebsd.org> X-Authentication-Warning: svn.freebsd.org: wblock set sender to wblock@FreeBSD.org using -f From: Warren Block Date: Wed, 10 Sep 2014 22:34:23 +0000 (UTC) To: doc-committers@freebsd.org, svn-doc-all@freebsd.org, svn-doc-head@freebsd.org Subject: svn commit: r45588 - head/en_US.ISO8859-1/books/handbook/boot X-SVN-Group: doc-head MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: svn-doc-all@freebsd.org X-Mailman-Version: 2.1.18-1 Precedence: list List-Id: "SVN commit messages for the entire doc trees \(except for " user" , " projects" , and " translations" \)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 10 Sep 2014 22:34:24 -0000 Author: wblock Date: Wed Sep 10 22:34:23 2014 New Revision: 45588 URL: http://svnweb.freebsd.org/changeset/doc/45588 Log: Wording and clarity improvements. Modified: head/en_US.ISO8859-1/books/handbook/boot/chapter.xml Modified: head/en_US.ISO8859-1/books/handbook/boot/chapter.xml ============================================================================== --- head/en_US.ISO8859-1/books/handbook/boot/chapter.xml Wed Sep 10 17:46:07 2014 (r45587) +++ head/en_US.ISO8859-1/books/handbook/boot/chapter.xml Wed Sep 10 22:34:23 2014 (r45588) @@ -102,26 +102,25 @@ of the BIOS. - amd64 hardware is backward compatible as it understands - BIOS instructions. Newer hardware uses - a GUID Partition Table (GPT) instead of a - MBR. &os; can boot from a - MBR or GPT partition. - When booting from GPT, &os; can boot from - either a legacy BIOS or an Extensible - Firmware Interface (EFI). Work is in - progress to provide Unified Extensible Firmware Interface - (UEFI) support. + &os; provides for booting from both the older + MBR standard, and the newer GUID Partition + Table (GPT). GPT + partitioning is often found on computers with the Unified + Extensible Firmware Interface (UEFI). + However, &os; can boot from GPT partitions + even on machines with only a legacy BIOS + with &man.gptboot.8;. Work is under way to provide direct + UEFI booting. Master Boot Record - MBR) + (MBR) Boot Manager Boot Loader - The code within the MBR is usually + The code within the MBR is typically referred to as a boot manager, especially when it interacts with the user. The boot manager usually has more code in the first track of the disk or within the file @@ -134,10 +133,10 @@ If only one operating system is installed, the MBR searches for the first bootable (active) slice on the disk, and then runs the code on that slice to load - the remainder of the operating system. If multiple operating + the remainder of the operating system. When multiple operating systems are present, a different boot manager can be installed - which displays the list of operating systems so that the user - can choose which one to boot. + to display a list of operating systems so the user + can select one to boot. The remainder of the &os; bootstrap system is divided into three stages. The first stage knows just enough to get the @@ -556,8 +555,7 @@ boot: console A user can specify this mode by booting with - or by setting the boot - _ single variable in + or by setting the boot_single variable in loader. It can also be reached by running shutdown now from multi-user mode. Single-user mode begins with this message: