Linux From Scratch - Version 7.0
xv
This package provides the init program, which is the parent of all other processes on the Linux system.
• Tar
This package provides archiving and extraction capabilities of virtually all packages used in LFS.
• Tcl
This package contains the Tool Command Language used in many test suites in LFS packages. It is only
installed in the temporary toolchain.
• Texinfo
This package contains programs for reading, writing, and converting info pages. It is used in the installation
procedures of many LFS packages.
• Udev
This package contains programs for dynamic creation of device nodes. It is an alternative to creating thousands
of static devices in the /dev directory.
• Util-linux
This package contains miscellaneous utility programs. Among them are utilities for handling file systems,
consoles, partitions, and messages.
• Vim
This package contains an editor. It was chosen because of its compatibility with the classic vi editor and its huge
number of powerful capabilities. An editor is a very personal choice for many users and any other editor could
be substituted if desired.
• XZ Utils
This package contains programs for compressing and decompressing files. It provides the highest compression
generally available and is useful for decompressing packages XZ or LZMA format.
• Zlib
This package contains compression and decompression routines used by some programs.
Prerequisites
Building an LFS system is not a simple task. It requires a certain level of existing knowledge of Unix system
administration in order to resolve problems and correctly execute the commands listed. In particular, as an absolute
minimum, you should already have the ability to use the command line (shell) to copy or move files and directories, list
directory and file contents, and change the current directory. It is also expected that you have a reasonable knowledge
of using and installing Linux software.
Because the LFS book assumes at least this basic level of skill, the various LFS support forums are unlikely to be able
to provide you with much assistance in these areas. You will find that your questions regarding such basic knowledge
will likely go unanswered or you will simply be referred to the LFS essential pre-reading list.
Before building an LFS system, we recommend reading the following HOWTOs:
• Software-Building-HOWTO http://www.tldp.org/HOWTO/Software-Building-HOWTO.html
This is a comprehensive guide to building and installing “generic” Unix software packages under Linux.
Although it was written some time ago, it still provides a good summary of the basic techniques needed to build
and install software.
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