mysql_create_system_tables is a helper script that is invoked by mysql_install_db to generate the SQL statements required to initialize any grant tables that do not exist.

Invoke mysql_create_system_tables like this:

shell> mysql_create_system_tables {test|verbose} path_to_mysql_database host_name windows_option

The first argument is test (create entries for the test database) or verbose (display more information while the script runs. The second argument is the path to the mysql database directory. The third argument is the hostname to use in grant table entries. The fourth argument is 1 if the script is being run to create tables for use on Windows, 0 otherwise.