Which is the necessary file if you need to create a child theme?

WordPress is only available to web hosting companies and/or domain registrars.

What's the difference between WordPress.com and WordPress.org?

You cannot use WordPress on

Which theme features are required in order to submit themes to the WordPress Theme Directory?

Which is a valid permalink format?

What is the right order (by priority in use) to display page in Template Hierarchy?

Which action must be performed before using Akismet Plugin?

What is the right order (by priority in use) to display category in Template Hierarchy?

WordPress's requirements are modest. At minimum, which of the following standards should your server support for WordPress 3.1?

Is the functions.php file required in each theme?