On disk0 is:ĮFI - disk partitioning system area. The second box highlights the name of each disk. If you don’t have Boot Camp you probably won’t see a virtual disk. The disk1 (internal, virtual) is no doubt because of the way Boot Camp works.

These are the internal and external drives I have. The first shows the physical drives and at the top is disk0 (internal, physical) and at the bottom is disk2 (external, physical). There are four highlighted boxes in the screenshot above. Most people's diskutil list display will probably look a lot simpler than mine. I also have a USB drive that is split into two partitions. The information you see may not look like mine because I have partitioned the internal boot disk and have installed Windows 10 using Boot Camp. Open Terminal in the Applications/Utilities folder and type diskutil list In this article I will show how to use some of the basic functions of the diskutil command and show where you can get more information about it if you want to use some of the more powerful features. It does everything in Disk Utility and a lot more. It has a much wider range of functions and is a lot more powerful. There is another side to Disk Utility and the diskutil command is where the real power lies. The graphical user interface makes accessing the features and functions straightforward and easy.

Learn the secrets!įor most tasks involving formatting, partitioning and erasing disks, the Disk Utility tool in the Applications/Utilities folder is recommended.

However, there are many more features available from the command line. Disk Utility on the Apple Mac is a useful tool for formatting disks, partitioning them, and so on.

How to exit mac os x utilities