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syntax: markdown
tags: [tldr, osx]
source: https://github.com/tldr-pages/tldr.git
---
# diskutil

> Utility to manage local disks and volumes.
> Some subcommands such as `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}}`

- Unmount a volume:

`diskutil unmountDisk {{/dev/disk}}`

- Eject a CD/DVD (unmount first):

`diskutil eject {{/dev/diskX}}`
