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Example of unmounting a file system

The following are examples of unmounting file systems.

 To unmount the file system /dev/vx/dsk/fsvol/vol1

# umount /dev/vx/dsk/fsvol/vol1

 To unmount all file systems not required by the system

# umount -a

This unmounts all file systems except / (root), /usr, /var, /opt, and /tmp.