diskutil MacOS command

The MacOS diskutil command is a powerful tool that allows users to manage disks and volumes on their Mac computers. With diskutil, you can format, partition, repair, and erase disks, as well as create and manage disk images. This command provides a comprehensive set of options for managing your storage in a reliable and efficient manner. Whether you need to troubleshoot disk issues, create backups, or optimize your storage space, diskutil has you covered. Familiarize yourself with the various functions and parameters of diskutil to effectively manage your MacOS disks.

diskutil Syntax:

diskutil [verb [options] [objects]]

Options:

Option	Description
-e	Stay awake for disconnected devices
-f	Force. Do not prompt for confirmation.
-h	Show help for the given verb
-q	Quiet mode. Print less information.
-v	Increase verbosity
-list	List all disks and volumes
-mount point	Mount the specified volume by specifying its path
-unmount force	Force the unmount of a volume
-resize size	Resize a volume to the specified size

Parameters:

Parameter	Description
verb	The diskutil operation to perform
objects	The disks or volumes to operate on
options	Additional options for the operation

Caution

Exercise caution when using the diskutil command, as it can manipulate disks and volumes on your system. Ensure you have a backup of important data before performing any diskutil operations.

diskutil bash Examples:

List all connected disks

diskutil list

Display a list of all connected disks, including internal and external storage devices.

Erase a disk and format it as APFS

diskutil eraseDisk APFS NewDisk /dev/disk2

Format the disk located at /dev/disk2 as APFS and label it “NewDisk.”

Repair a disk

diskutil repairVolume /dev/disk2s1

Check and repair the disk located at /dev/disk2s1 for any issues.

Mount a disk

diskutil mount /dev/disk2s1

Mount the disk located at /dev/disk2s1 to make it accessible.

Unmount a disk

diskutil unmount /dev/disk2s1

Unmount the disk located at /dev/disk2s1 to safely remove it.

Resize a volume

diskutil resizeVolume /dev/disk2s1 50G

Resize the volume located at /dev/disk2s1 to 50GB in size.

Tip

When using the diskutil command in MacOS, make sure to double-check the options and values you provide to avoid unintended consequences such as data loss or disk corruption.

diskutil Command Help Center:

How do I use diskutil in MacOS?

To use the diskutil command in MacOS, execute the following command:

diskutil --option <value>

How can I list all disks in MacOS using diskutil?

To list all disks in MacOS with diskutil, use the following command:

diskutil list

How do I format a disk in MacOS using diskutil?

To format a disk in MacOS with diskutil, you can use the following command:

diskutil eraseDisk <format> <name> <identifier>

How can I repair a disk in MacOS using diskutil?

To repair a disk in MacOS with diskutil, you can use the following command:

diskutil repairVolume <identifier>

How do I mount a disk in MacOS using diskutil?

To mount a disk in MacOS with diskutil, use the following command:

diskutil mount <identifier>

How can I unmount a disk in MacOS using diskutil?

To unmount a disk in MacOS with diskutil, you can use the following command:

diskutil unmount <identifier>

How do I check the available space on a disk in MacOS using diskutil?

To check the available space on a disk in MacOS with diskutil, use the following command:

diskutil info <identifier>

How can I enable or disable journaling on a disk in MacOS using diskutil?

To enable or disable journaling on a disk in MacOS with diskutil, you can use the following command:

diskutil enableJournaling <identifier>
diskutil disableJournaling <identifier>

Applications of the diskutil command

• Partitioning disks
• Mounting and unmounting volumes
• Formatting disks and volumes
• Verifying and repairing disks
• Managing CoreStorage volumes
• Managing RAID sets
• Managing file systems
• Mounting disk images