Liferay 6 comes with new functionality , Page Templates. User can define a page with certain portlets/Layouts and Save the Page as templates. Later on while creating the new page , user can select the Page Template.
Here are the Steps :
1) Go to Control Panel -> Page Template
2)Click on add button to add new template. After adding the templates , page will show the link to open the template , click the link to open the Page template Page
3) Once the Page template is open , you can add as many portlets and apply layouts ,as you need them. Once you are satisfied close the browser. If you the browser URL It points to Template URL
4) Now you can go back to community, We will add the new Page in this community. When you will add the page you will see the option to select the Page Template.
5) Once the page is added, Browse to the page . the new page looks same as the tempalte. See the URL is the browser.