umount

Unlink a filesystem from its mount point, making it no longer accessible. A filesystem cannot be unmounted when it is busy. More information: https://manned.org/umount.8.

  • Unmount a filesystem, by passing the path to the source it is mounted from:

umount path/to/device_file

  • Unmount a filesystem, by passing the path to the target where it is mounted:

umount path/to/mounted_directory

  • When an unmount fails, try to remount the filesystem read-only:

umount --read-only path/to/mounted_directory

  • Recursively unmount each specified directory:

umount --recursive path/to/mounted_directory

  • Unmount all mounted filesystems (except the proc filesystem):

umount -a

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