44 Chapter 4. Red Hat Network Website• RHN List Page Size — Maximum number of items that will appear in a list on a single page. If moreitems are in the list, clicking the Next button will display the next group of items. This preferenceapplies to system lists, Errata lists, package lists, and so on.• Time Zone — Set your time zone so that scheduled actions are scheduled according to the time inyour time zone.• Red Hat Contact Options — Identify what ways (email, phone, fax, or mail) Red Hat may contactyou.After making changes to any of these options, click the Save Preferences button on the bottom right-hand corner.4.3.3. Buy NowThe Buy Now page provides an online form to purchase Basic subscriptions and contact informationto buy Enterprise subscriptions.4.3.4. Purchase HistoryThe Purchase History page displays a history of your entitlements, including the expiration date andthe number available.4.3.5. HelpThe Help pages provide access to the full suite of documentation and support available to RHN users.Merely click Help in the Your RHN category to see a list of options available to you.4.3.5.1. Help DeskThe Help Desk page summarizes the help options available within this section. Click either the linkswithin this page or the buttons on the left navigation bar to explore further.4.3.5.2. Quick Start GuideThe Quick Start Guide page contains a brief overview of Red Hat Network and its many features. Ifyou are unfamiliar with RHN, it is recommended you read this guide in its entirety. Topics coveredinclude registering your systems, applying Errata Updates, and troubleshooting.4.3.5.3. FAQThe FAQ page lists Frequently Asked Questions and answers to those questions.4.3.5.4. Contact RHNThe Contact RHN page provides methods by which customers may obtain help. Specifically, loggedout users have access to the FAQ, Customer Service email address, and rhn-users mailing list only.Logged in Demo customers have access to the above, as well as an online form that can be submittedto rhn-feedback or the Customer Service address. Logged in Basic and Enterprise users have accessto all of the above. In addition, the online form enables them to submit requests for technical support.The Customer Service address handles billing and purchasing questions, while the rhn-users list en-ables customers to help one another. The rhn-feedback address collects customer input and provides