vbfs man page on Minix

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VBFS(8)								       VBFS(8)

NAME
       vbfs - VirtualBox Shared Folder File System server

SYNOPSIS
       mount -t vbfs [-r] -o share=sharename[,options] none mountpoint

DESCRIPTION
       The  vbfs  server  allows  one to mount a VirtualBox shared folder as a
       file system. This makes it possible to access selected portions of  the
       VirtualBox host file system when MINIX is run as a VirtualBox guest.

       The above mount command will mount the vbfs file system onto the direc‐
       tory mountpoint. The -r mount option makes the file  system  read-only;
       note  that  shared  folders  may	 independently have been configured as
       read-only on the VMware host. The options field is a string  consisting
       of comma-delimited key or key=value options.  The vbfs server can mount
       only one shared folder at a time, and  therefore,  specifying  a	 share
       name  is	 required.   The  other	 options  are  optional. The following
       options are supported.

       share=name
	   This required option specifies the share name to mount. It is  cur‐
	   rently  not	possible to list the available share names from within
	   MINIX3.

       prefix=path
	   This option sets a path prefix that will be prepended to  all  file
	   system  operations  on  the	host  system. The default is the empty
	   path, exposing the entire share. Leading and trailing  slashes  are
	   ignored.

       uid=number
	   This sets the user ID used for all the files and directories in the
	   file system, allowing a non-root user to be the  owner.  The	 value
	   must	 be  specified	as a decimal number.  The default is root (the
	   number 0).

       gid=number
	   Likewise, sets the group ID for all	files  and  directories.   The
	   default is operator (the number 0).

       fmask=number
	   This	 option	 sets the file permission mask of regular files. It is
	   specified as an octal number. For example, a value of 600 makes all
	   files  readable  and	 writable  by  the  owning user (see the "uid"
	   option).  The default is 755.

       dmask=number
	   Likewise, sets  the	file  permission  mask	of  directories.   The
	   default is also 755.

EXAMPLES
       mount -t vbfs -o share=myshare none /usr/myshare
			   # Mount the "myshare" shared folder on /usr/myshare

       mount -t vbfs -o share=shared,prefix=foo/bar,uid=20,fmask=644 none /mnt
			   #  Mount  the  "foo/bar"  subtree from the "shared"
			   shared folder on /mnt

LIMITATIONS
       VBFS has been designed to provide a convenient means to exchange	 files
       between	the  guest  and the host system, not as a complete file system
       implementation.	As such, it comes with many limitations. Some of these
       are VBFS implementation shortcomings; some are the result of behavioral
       differences between the host file system and the guest's	 expectations;
       some  are  the result of a mismatch between MINIX's VFS/FS protocol and
       the requirements from VBFS; and finally, some are  the  result  of  the
       user's  ability	to  change  the	 file system on the host system at any
       time.

SEE ALSO
       mount(1), hgfs(8)

AUTHOR
       David van Moolenbroek <david@minix3.org>

								       VBFS(8)
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