


You can get to know more about it by visiting Mac's Finder > About This Mac. In this case, a dedicated disk functions as a startup disk. Sometimes, users partition the disk or have two (or more) disks installed as well. Apart from storing the OS and app data, it can also be used for different purposes. Ideally, the startup disk is marked as Macintosh HD or Fusion HD since it is the root disk in the system.Īlmost all the users have a single disk on their Mac, which also functions as a startup disk. Though, the disk that stores macOS and other system components are known as the startup disk. Most of these partitions and disks store all kinds of user data. Just like every other operating system, Mac also lets us manage its storage via different disks and partitions. How to Prevent Almost Full Mac Startup Disk What is Taking up Space on Mac Startup Disk
