The Recovery partition in Mac OS X is an important component of a system install in that it allows you to troubleshoot a computer, repair drives, restore from backups, and even reinstall Mac OS if need be. Specifically, the Recovery HD partition will re-install the most current version of OS X that is currently installed on the Mac, whereas Internet Recover will re-install the version of OS X that originally came with the Mac.
Advertisement Every Mac since the days of OS X Lion has a Recovery partition, a tool that can help you rescue a Mac with a damaged operating system. However, if you are looking to replace macOS with Linux, you may want to delete this for some Wondering where all of your Mac's storage has gone? These free apps will let you know. You also may want to restore it if you switch back to macOS. Here’s how to delete or restore your Mac’s recovery partition. The Basics of the Recovery Partition When booting up your Mac, you can hold down Command+ R to boot into the Recovery partition of your Mac.