I search for solutions in this order: Past Code, Unreal Source, Wiki, BUF, groups.yahoo, google, screaming at monitor. – RegularX

From Unreal Wiki, The Unreal Engine Documentation Site

[edit] Info

• action=version - show program-version (and options ?)
• action=index - Show all pages
• action=links - Show all links. cf. MeatBall:LinkDatabase for documentation of various options.
• action=rc - Show recent changes.

[edit] User

• action=login - Login as known user
• action=newlogin - Login as new user
• action=editprefs - Edit user-preferences

[edit] Page

The following links use this page for example, but id can equal any page.

• action=browse&id=Wiki_System_Commands – Browse a page
• action=edit&id=Wiki_System_Commands – Edit a page
• action=history&id=Wiki_System_Commands – History of a page

[edit] Search

• search=some+text – Search for some text