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git-svn-id: svn://svn.linuxfromscratch.org/BLFS/trunk/BOOK@984 af4574ff-66df-0310-9fd7-8a98e5e911e0
90 lines
3.8 KiB
XML
90 lines
3.8 KiB
XML
<sect1 id="postlfs-config-vimrc">
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<?dbhtml filename="vimrc.html" dir="postlfs"?>
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<title>/etc/vimrc, ~/.vimrc</title>
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<para>The LFS book installs vim as its editor. At this point we should
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state that there are a <emphasis>lot</emphasis> of different editors out
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there including emacs, nano, joe and many more. Anyone who has been
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around the Internet (especially usenet) for a short time will certainly
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have observed at least one flame war, usually involving vim and emacs
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users!</para>
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<para>The LFS book gives a basic <filename>vimrc</filename> file. Here,
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we attempt to enhance this file. At startup, vim reads
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<filename>/etc/vimrc</filename> and <filename>~/.vimrc</filename>
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(i.e., the global vimrc and the user-specific one.). Note that this is
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only true if you compiled vim using LFS-3.1 onwards. Prior to this,
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the global vimrc was <filename>/usr/share/vim/vimrc</filename>.</para>
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<para>Here is a slightly expanded vimrc that you can put in
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<filename>/etc/vimrc</filename> to provide global effect. Of course, if
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you put it into <filename>/etc/skel/.vimrc</filename> instead, it will
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be made available to users you add to the system later. You can also copy
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the file from <filename>/etc/skel/.vimrc</filename> to
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<filename>/etc/vimrc</filename> and the home directory of users already
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on the system, like root. Be sure to set permissions, owner and group if
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you do copy anything directly from <filename>/etc/skel</filename>.</para>
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<para><screen>" Begin .vimrc
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set nocompatible
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set bs=2
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set columns=80
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set background=dark
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set tabstop=8
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set wrapmargin=8
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set nobk
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syntax on
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set ruler
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set noexpandtab
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" End .vimrc</screen></para>
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<para>A FAQ on the lfs lists regards the comment tags in vimrc. Note
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that they are " instead of the more usual # or //. This is correct, the
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syntax for vimrc is slightly unusual.</para>
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<para>We'll run through a quick explanation of what each of the
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options in this example file means here:</para>
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<itemizedlist>
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<listitem><para><userinput>set nocompatible</userinput> : This option stops vim from behaving in a strongly vi-compatible way. It
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should be at the start of any vimrc file as it can affect lots of other
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options which you may want to override.</para></listitem>
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<listitem><para><userinput>set bs=2</userinput> : This influences the behavior of the backspace option. It is fairly
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complex so see <userinput>:help 'bs'</userinput> for more
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details.</para></listitem>
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<listitem><para><userinput>set columns=80</userinput> : This simply sets the number of columns used on the
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screen.</para></listitem>
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<listitem><para><userinput>set background=dark</userinput> : This tells vim to use colors which look good on a dark
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background.</para></listitem>
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<listitem><para><userinput>set tabstop=8</userinput> : The number of spaces which a tabstop takes.</para></listitem>
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<listitem><para><userinput>set wrapmargin=8</userinput> : This is the number of characters from the right window
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border where wrapping starts.</para></listitem>
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<listitem><para><userinput>set nobk</userinput> : This stops vim from creating a backup before
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overwriting a file.</para></listitem>
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<listitem><para><userinput>syntax on</userinput> : Enables vim's syntax highlighting.</para></listitem>
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<listitem><para><userinput>set ruler</userinput> : This makes vim show the current row and column at the bottom right of
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the screen.</para></listitem>
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<listitem><para><userinput>set noexpandtab</userinput> : This makes vim insert tabs as tab characters instead of as a set of
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spaces.</para></listitem>
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</itemizedlist>
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<para>More information on the <emphasis>many</emphasis> vim options
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can be found by reading the help inside vim itself. Do this by typing
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<userinput>:help</userinput> in vim to get the general help, or by
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typing <userinput>:help usr_toc.txt</userinput> to view the User Manual
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Table of Contents.</para>
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</sect1>
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