The .begin page command forces a page break. A page break terminates the current page, prints the optional footing, ejects a page, increments the page counter, and prints the optional heading. The text immediately following the .begin page command is printed on the next page.
.begin page
.bp
Outputs This is page two. on the second page and This is page three. on the third page.
This is page one. .begin page This is page two. .begin page This is page three.