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authorWarren Block <wblock@FreeBSD.org>2014-09-10 22:34:23 +0000
committerWarren Block <wblock@FreeBSD.org>2014-09-10 22:34:23 +0000
commita0c3451706b9f684076188592d92a67fa005160c (patch)
treed2fd5677848368f466ba0beae047e41a4ccaea01 /en_US.ISO8859-1/books
parent24e878d92affd32e5bf46c1b0ea181cd67f1e886 (diff)
downloaddoc-a0c3451706b9f684076188592d92a67fa005160c.tar.gz
doc-a0c3451706b9f684076188592d92a67fa005160c.zip
Wording and clarity improvements.
Notes
Notes: svn path=/head/; revision=45588
Diffstat (limited to 'en_US.ISO8859-1/books')
-rw-r--r--en_US.ISO8859-1/books/handbook/boot/chapter.xml32
1 files changed, 15 insertions, 17 deletions
diff --git a/en_US.ISO8859-1/books/handbook/boot/chapter.xml b/en_US.ISO8859-1/books/handbook/boot/chapter.xml
index 425b5926a2..a059626dd1 100644
--- a/en_US.ISO8859-1/books/handbook/boot/chapter.xml
+++ b/en_US.ISO8859-1/books/handbook/boot/chapter.xml
@@ -102,26 +102,25 @@
of the <acronym>BIOS</acronym>.</para>
<note>
- <para>amd64 hardware is backward compatible as it understands
- <acronym>BIOS</acronym> instructions. Newer hardware uses
- a GUID Partition Table (<acronym>GPT</acronym>) instead of a
- <acronym>MBR</acronym>. &os; can boot from a
- <acronym>MBR</acronym> or <acronym>GPT</acronym> partition.
- When booting from <acronym>GPT</acronym>, &os; can boot from
- either a legacy <acronym>BIOS</acronym> or an Extensible
- Firmware Interface (<acronym>EFI</acronym>). Work is in
- progress to provide Unified Extensible Firmware Interface
- (<acronym>UEFI</acronym>) support.</para>
+ <para>&os; provides for booting from both the older
+ <acronym>MBR</acronym> standard, and the newer GUID Partition
+ Table (<acronym>GPT</acronym>). <acronym>GPT</acronym>
+ partitioning is often found on computers with the Unified
+ Extensible Firmware Interface (<acronym>UEFI</acronym>).
+ However, &os; can boot from <acronym>GPT</acronym> partitions
+ even on machines with only a legacy <acronym>BIOS</acronym>
+ with &man.gptboot.8;. Work is under way to provide direct
+ <acronym>UEFI</acronym> booting.</para>
</note>
<indexterm><primary>Master Boot Record
- <acronym>MBR</acronym>)</primary></indexterm>
+ (<acronym>MBR</acronym>)</primary></indexterm>
<indexterm><primary>Boot Manager</primary></indexterm>
<indexterm><primary>Boot Loader</primary></indexterm>
- <para>The code within the <acronym>MBR</acronym> is usually
+ <para>The code within the <acronym>MBR</acronym> is typically
referred to as a <emphasis>boot manager</emphasis>, 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 @@
<para>If only one operating system is installed, the
<acronym>MBR</acronym> 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.</para>
+ to display a list of operating systems so the user
+ can select one to boot.</para>
<para>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:</screen>
<indexterm><primary>console</primary></indexterm>
<para>A user can specify this mode by booting with
- <option>-s</option> or by setting the <envar>boot
- _ single</envar> variable in
+ <option>-s</option> or by setting the <envar>boot_single</envar> variable in
<application>loader</application>. It can also be reached
by running <command>shutdown now</command> from multi-user
mode. Single-user mode begins with this message:</para>