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@@ -10,22 +10,22 @@
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<title>LFS Target Architectures</title>
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-<para>The primary target architecture of LFS is the 32-bit Intel CPU. If you
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+<para>The primary target architecture of LFS is the 32-bit Intel CPU. If you
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have not built an LFS system before, you should probably start with that
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-target. The 32-bit architecture is the most widely supported Linux system and
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+target. The 32-bit architecture is the most widely supported Linux system and
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is most compatible with both open source and proprietary software.</para>
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<para>On the other hand, the instructions in this book are known to work, with
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-some modifications, with both Power PC and 64-bit AMD/Intel CPUs. To build a
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-system that utilizes these CPUs, the main prerequisite in addition to those on
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-the next few pages, is an existing system such as an earlier LFS system,
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-Ubuntu, Red Hat/Fedora, SuSE, or other distribution that targets the system
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-that you have. Also note that a 32-bit system can be installed and used as a
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-host system on a 64-bit AMD/Intel system.</para>
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-
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-<para>Some other facts about a 64-bit systems need to be added here. When
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+some modifications, with both Power PC and 64-bit AMD/Intel CPUs. To build a
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+system that utilizes one of these CPUs, the main prerequisite, in addition to
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+those on the next few pages, is an existing Linux system such as an earlier LFS
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+installation, Ubuntu, Red Hat/Fedora, SuSE, or other distribution that targets
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+the architecture that you have. Also note that a 32-bit distribution can be
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+installed and used as a host system on a 64-bit AMD/Intel computer.</para>
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+
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+<para>Some other facts about a 64-bit systems need to be added here. When
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compared to a 32-bit system, the sizes of executable programs are slightly
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-larger and the execution speeds are only slightly faster. For example, in a
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+larger and the execution speeds are only slightly faster. For example, in a
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test build of LFS-6.5 on a Core2Duo CPU based system, the following statistics
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were measured:</para>
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@@ -39,16 +39,16 @@ minimal. Of course, if you have more than 4GB of RAM or want to manipulate
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data that exceeds 4GB, the advantages of a 64-bit system are substantial.</para>
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<para>The default 64-bit build that results from LFS is considered a "pure"
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-64-bit system. That is, it supports 64-bit executables only. Building a
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-"multi-lib" system requires building many applications twice, once for a 32-bit
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-system and once for a 64-bit system. Currently this is not directly supported
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-in the book, but is under consideration for a future release. In the meantime,
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+64-bit system. That is, it supports 64-bit executables only. Building a
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+"multi-lib" system requires compiling many applications twice, once for a 32-bit
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+system and once for a 64-bit system. Currently this is not directly supported
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+in the book, but is under consideration for a future release. In the meantime,
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you can refer to the <ulink url="http://trac.cross-lfs.org/">Cross Linux From
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Scratch</ulink> project for this advanced topic.</para>
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-<para>There is one last comment about 64-bit systems. There are some packages
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+<para>There is one last comment about 64-bit systems. There are some packages
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that cannot currently be built in a "pure" 64-bit system or require specialized
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-build instructions. Generally, these packages have some embedded 32-bit
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+build instructions. Generally, these packages have some embedded 32-bit
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specific assembly language instructions that fail when building on a 64-bit
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system. Examples include the <ulink
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url="http://www.linuxfromscratch.org/blfs/view/svn/">Beyond Linux From Scratch
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Bruce Dubbs