The \pagestyle command changes the style from the current page on
throughout the remainder of your document.
The valid options are:
plain - Just a plain page number.
empty - Produces empty heads and feet - no page numbers.
headings - Puts running headings on each page. The document
style specifies what goes in the headings.
myheadings - You specify what is to go in the heading with the
\markboth or the \markright commands.