Mac OS X in a Nutshell

Name

umount

Synopsis

umount [-f] [-v] [-t types] { -a | -A | -h hostname }
umount [-f] [-v] { special | mount_point }

Removes mounted volumes from the directory hierarchy.

Options

-a

Unmounts all filesystems listed in fstab or Open Directory.

-A

Unmounts all currently mounted filesystems, other than the root.

-f

Attempts to force the unmount.

-h

Unmounts all filesystems currently mounted from the specified server.

-t

Restricts the use of the command to filesystems of the specified types presented in a comma-separated list, which may include hfs, ufs, afp, nfs, or others.

-v

Enables verbose output.

special

The form of this argument is particular to the type of filesystem being mounted, and could be a disk device name, a fixed string, or something involving a server name and directory. See the individual mount_type entries for details.

mount_point

The directory on which the filesystem is mounted.