Name

umount

Synopsis

    umount [-fv] device | remotespec
    umount -a|-A [-fv] [-h host] [-t type]

System administration command. Unmount a mounted filesystem. device is a device name or other string indicating what is mounted. A remotespec is a string of the form host : directory indicating a remote host and filesystem (typically mounted via NFS). See also mount.

Options

-a

Unmount all filesystems listed in /etc/fstab or Open Directory. (See mount for information about Mac OS X and /etc/fstab.)

-A

Unmount all currently mounted filesystems, except for the root filesystem (mounted at /).

-f

Force the unmount. Open device files continue to work. Other file accesses fail.

-h host

Unmount all filesystems from the server host.

-t type

Unmount filesystems of only the specified type.

-v

Be verbose.

Get Unix in a Nutshell, 4th Edition now with the O’Reilly learning platform.

O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.

Start your free trial