Final answer:
The equivalent of the mysqladmin reload command is the mysqladmin flush command, which refreshes internal caches and reloads grant tables, among other functions.
Step-by-step explanation:
The equivalent of the mysqladmin reload command is c) mysqladmin flush. This command is used to refresh several aspects of the MySQL server. The flush option performs functions similar to the reload by clearing or reloading various internal caches, including the reload of grant tables and reset of log files. When you execute mysqladmin flush, it initiates processes akin to the reload command, but with additional functionalities. The flush option is designed to clear or reload various internal caches within the MySQL server. This includes a reload of the grant tables, ensuring that any changes to user privileges or access rights are promptly reflected.