- admin_bar_theme_settings in core/
modules/ admin_bar/ admin_bar.inc  - Form builder function for module settings.
 - contact_settings_form in core/
modules/ contact/ contact.admin.inc  - Contact settings form.
 - cron_example_form in modules/
examples/ cron_example/ cron_example.module  - The form to provide a link to cron.php.
 - dashboard_admin_settings in core/
modules/ dashboard/ dashboard.module  - Menu callback; Dashboard settings form.
 - date_views_settings in core/
modules/ date/ date.module  - Form callback for date views pager title format settings.
 - file_settings_form in core/
modules/ file/ file.admin.inc  - Form callback for file settings.
 - form_test_system_config_form in core/
modules/ simpletest/ tests/ form_test.module  - A form to test system_settings_form().
 - menu_settings_form in core/
modules/ menu/ menu.admin.inc  - Menu callback; global settings form for menus.
 - path_patterns_settings_form in core/
modules/ path/ path.admin.inc  - Form builder; Configure the URL alias pattern settings.
 - redirect_settings_form in core/
modules/ redirect/ redirect.admin.inc  - Form builder for redirection settings.
 - system_cron_settings in core/
modules/ system/ system.admin.inc  - Form builder; Cron form.
 - system_file_system_settings in core/
modules/ system/ system.admin.inc  - Form builder; Configure the site file handling.
 - system_jquery_settings in core/
modules/ system/ system.admin.inc  - Form builder; Configure jQuery settings.
 - system_logging_settings in core/
modules/ system/ system.admin.inc  - Form builder; Configure error reporting settings.
 - system_performance_settings in core/
modules/ system/ system.admin.inc  - Form builder; Configure site performance settings.
 - system_rss_feeds_settings in core/
modules/ system/ system.admin.inc  - Form builder; Configure how the site handles RSS feeds.
 - system_site_information_settings in core/
modules/ system/ system.admin.inc  - Form builder; The general site information form.
 - system_urls_settings in core/
modules/ system/ system.admin.inc  - Form builder; Configure clean URL settings.
 - user_login_settings in core/
modules/ user/ user.admin.inc  - Login settings form.