The default layout

Let us use the book.cls documentclass and the default settings for fancyheadings; so we only issue the commands

\usepackage{fancyheadings}
\pagestyle{fancy}

and let fancyheadings take care of everything. On the pages where new chapters start, we get a centered page number in the footer; there is no header, and there are no decorative lines.

On an even page, we get the layout:

1.2 EVALUATION CHAPTER 1. INTRODUCTION
page body
4

On an odd page, we get the layout:

CHAPTER 1. INTRODUCTION 1.2 EVALUATION
page body
3

where the header text is slanted uppercase.

This default layout is produced by the following commands:

\lhead[\fancyplain{}{\slshape \rightmark}]{\fancyplain{}%
   {\slshape \leftmark}}
\chead{}
\rhead[\fancyplain{}{\slshape \leftmark}]{\fancyplain{}%
   {\slshape \rightmark}}
\lfoot{}
\cfoot{\rmfamily \thepage}
\rfoot{}

The following settings are used for the decorative lines:


\headrulewidth                        0.4pt

\footrulewidth		0		pt

\plainheadrulewidth		0		pt

\plainfootrulewidth 		0		pt

The header text is turned into all uppercase in book.cls.