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diskutil: Repair the filesystem data structures of a volume.
$ diskutil repairVolume ${-dev-disk_device}
try on your machine

The command "diskutil repairVolume ${-dev-disk_device}" is used to repair a volume on a disk in macOS using the diskutil utility.

Here's a breakdown of the different components of this command:

  1. "diskutil" - This is the command-line utility in macOS used for managing disks, volumes, and RAID sets.

  2. "repairVolume" - This is the specific subcommand of diskutil used to repair a volume.

  3. "${-dev-disk_device}" - This is a placeholder for the device identifier of the disk or volume you want to repair. The actual device identifier needs to be provided here for the command to work. The device identifier usually begins with "/dev/disk" followed by a number.

For example, if you want to repair a volume with the device identifier /dev/disk2s1, you would use the following command:

diskutil repairVolume /dev/disk2s1

This command will initiate the repair process for the specified volume and attempt to fix any issues or errors found on it.

This explanation was created by an AI. In most cases those are correct. But please always be careful and never run a command you are not sure if it is safe.
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