Final answer:
The purpose of a recovery disk is to reinstall, repair, or restore an operating system.
Step-by-step explanation:
The purpose of a recovery disk is to reinstall, repair, or restore an operating system. A recovery disk is a bootable media that contains a copy of the operating system and other essential files needed for the recovery process. It allows you to troubleshoot and fix issues with your computer's operating system, such as repairing corrupted files, recovering from malware infections, or restoring the system to a previous working state.