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HP-UX 11i Version 3: February 2007

Technical documentation

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share — make local resource available for mounting by remote systems


/usr/sbin/share [-F FSType] [-o specific_options] [-d description] [pathname]


The share command exports, or makes a resource available for mounting, through a remote file system of type FSType.

If the option -F FSType is omitted, the first file system type listed in /etc/dfs/fstypes is used as default.

For a description of NFS specific options, see share_nfs(1M).

pathname is the pathname of the directory to be shared. When invoked with no arguments, share displays all shared file systems.


share recognizes the following options:

-F FStype

Specify the file system type.

-o specific_options

The specific_options are used to control access of the shared resource. (See share_nfs(1M) for NFS specific options.) They may be any of the following:


pathname is shared read/write to all clients. This is also the default behavior.

rw=client[:client] ...

Share the pathname read-mostly if sec= option is not provided. Read-mostly means read-write to those clients specified and read-only for all other systems. If a sec= option is provided, pathname is shared read/write only to the listed clients. No other systems can access pathname.


pathname is shared read-only to all clients.

ro=client[:client] ...

pathname is shared read-only only to the listed clients. No other systems can access pathname.

-d description

The -d flag may be used to provide a description of the resource being shared.


Old terminology (export)

File system sharing used to be called exporting on HP-UX, and exportfs was used for exporting file systems. With the new share NFS model, the share command replaces exportfs(1M) or /usr/sbin/exportfs.

If share commands are invoked multiple times on the same file system, the last share invocation supersedes the previous; the options set by the last share command replace the old options. For example, if read-only permission was previously given to usera on somefs, use the following share command to also give read-only permission to userb on somefs:

share -F nfs -o ro=usera:userb /somefs

This behavior is not limited to sharing the root file system, but applies to all file systems.


The following command wll share the disk file system read-only.

share -F nfs -o ro /disk



list of share commands to be executed at boot time


list of distributed file system types, NFS by default


system record of shared file systems


share was developed by Sun Microsystems, Inc.

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