tldr/pages/osx/diskutil.md

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# diskutil
> Utility to manage local disks and volumes.
> Some subcommands such as `diskutil partitiondisk` have their own usage documentation.
> More information: <https://keith.github.io/xcode-man-pages/diskutil.8.html>.
- List all currently available disks, partitions and mounted volumes:
`diskutil list`
- Repair the filesystem data structures of a volume:
`diskutil repairVolume {{/dev/disk_device}}`
- Unmount a volume:
`diskutil unmountDisk {{/dev/disk_device}}`
- Eject a CD/DVD (unmount first):
`diskutil eject {{/dev/disk_device1}}`