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Recovery HD: a secondary HFS+ partition containing utilities for restoring backups, formatting and re-installing OS X, typically booted by holding Cmd+r while your MacBook is starting upįor 2013/2014 MacBooks running macOS 10.13 or later, the partition layout is simpler:.

Macintosh HD: the main partition containing your OS X installation, formatted using HFS+.

For MacBooks running OS X versions up to and including 10.12, the partition layout will typically look like this: MacBooks are partitioned using the GPT scheme by default. However, if you plan to remove OS X completely, make backups of these files, which you will need in Linux for adjusting the color profile: It is advisable to keep OS X installed, because MacBook firmware updates can only be installed using OS X. Note: If you uninstalled OS X or want to reinstall it, Apple has great instructions.