--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/info.rst	Mon Feb 22 12:46:36 2016 +0200
@@ -0,0 +1,35 @@
+.. -*- coding: utf-8; -*-
+.. include:: HEADER.rst
+
+==========
+ GNU info
+==========
+.. contents::
+   :local:
+
+How to install info files?
+==========================
+::
+
+  $ cd autobook
+  $ make info
+  ...
+  $ ls autobook.info*
+  autobook.info  autobook.info-1  autobook.info-2  autobook.info-3
+  $ cp autobook.info* $HOME/usr/share/info
+  $ /usr/bin/install-info --info-dir=$HOME/usr/share/info autobook.info
+
+or automated::
+
+  # Under Debian you need use 'ginstall-info' instead 'install-info'.
+  for i in `find . -name "*.info" -o -name "*.info-*"`; do
+    cp  $i ~/usr/share/info
+    install-info  $i ~/usr/share/info/dir
+  done
+
+Remove duplicated item in dir file
+==================================
+::
+
+  $ install-info --add-once ${info_file} /path/to/dir
+