- drupal_install_system in includes/
install.inc - Installs the system module.
- module_enable in includes/
module.inc - Enables or installs a given list of modules.
- system_install in modules/
system/ system.install - Implements hook_install().
- system_requirements in modules/
system/ system.install - Implements hook_requirements().
- update_get_update_function_list in includes/
update.inc - Returns an organized list of update functions for a set of modules.
- update_get_update_list in includes/
update.inc - Returns a list of all the pending database updates.