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NAME

mount_msdos — mount an MS-DOS file system

SYNOPSIS

DESCRIPTION

The mount_msdos command attaches the MS-DOS filesystem residing on the device special to the global filesystem namespace at the location indicated by node. This command is normally executed by mount(8) at boot time, but can be used by any user to mount an MS-DOS file system on any directory that they own (provided, of course, that they have appropriate access to the device that contains the file system).

The options are as follows:

-o options

Use the specified mount options, as described in mount(8).

-u uid

Set the owner of the files in the file system to uid. The default owner is the owner of the directory on which the file system is being mounted.

-g gid

Set the group of the files in the file system to gid. The default group is the group of the directory on which the file system is being mounted.

-m mask

Specify the maximum file permissions for files in the file system. (For example, a mask of 755 specifies that, by default, the owner should have read, write, and execute permissions for files, but others should only have read and execute permissions. See chmod(1) for more information about octal file modes.) Only the nine low-order bits of mask are used. The default mask is taken from the directory on which the file system is being mounted.

SEE ALSO

mount(2), unmount(2), fstab(5), mount(8)

CAVEATS

FreeBSD 2.1 and earlier versions could not handle cluster sizes larger than 16K. Just mounting an MS-DOS file system could cause corruption to any mounted file system. Cluster sizes larger than 16K are unavoidable for file system sizes larger than 1G, and also occur when filesystems larger than 1G are shrunk to smaller than 1G using FIPS.

HISTORY

The mount_msdos utility first appeared in FreeBSD 2.0. Its predecessor, the mount_pcfs utility appeared in FreeBSD 1.0, and was abandoned in favor of the more aptly-named mount_msdos.