71 lines
3 KiB
Groff
71 lines
3 KiB
Groff
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.TH VBFS 8
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.SH NAME
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vbfs \- VirtualBox Shared Folder File System server
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.SH SYNOPSIS
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\fBmount \-t vbfs \fR[\fB\-r\fR] \fB\-o
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\fBshare=\fIsharename\fR[\fB,\fIoptions\fR] \fBnone \fImountpoint
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.SH DESCRIPTION
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The \fBvbfs\fR server allows one to mount a VirtualBox shared folder as a file
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system. This makes it possible to access selected portions of the VirtualBox
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host file system when MINIX is run as a VirtualBox guest.
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.PP
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The above mount command will mount the vbfs file system onto the directory
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\fImountpoint\fR. The \fB\-r\fR mount option makes the file system read-only;
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note that shared folders may independently have been configured as read-only
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on the VMware host. The \fIoptions\fR field is a string consisting of
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comma-delimited \fIkey\fR or \fIkey\fB=\fIvalue\fR options.
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The vbfs server can mount only one shared folder at a time, and therefore,
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specifying a \fBshare\fR name is required.
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The other options are optional. The following options are supported.
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.TP 4
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\fBshare=\fIname\fR
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This required option specifies the share name to mount. It is currently not
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possible to list the available share names from within MINIX3.
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.TP
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\fBprefix=\fIpath\fR
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This option sets a path prefix that will be prepended to all file system
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operations on the host system. The default is the empty path, exposing the
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entire share. Leading and trailing slashes are ignored.
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.TP
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\fBuid=\fInumber\fR
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This sets the user ID used for all the files and directories in the file
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system, allowing a non-root user to be the owner. The value must be specified
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as a decimal number.
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The default is root (the number \fB0\fR).
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.TP
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\fBgid=\fInumber\fR
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Likewise, sets the group ID for all files and directories.
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The default is operator (the number \fB0\fR).
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.TP
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\fBfmask=\fInumber\fR
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This option sets the file permission mask of regular files. It is specified as
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an octal number. For example, a value of \fB600\fR makes all files readable and
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writable by the owning user (see the "\fBuid\fR" option).
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The default is \fB755\fR.
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.TP
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\fBdmask=\fInumber\fR
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Likewise, sets the file permission mask of directories.
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The default is also \fB755\fR.
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.SH EXAMPLES
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.TP 20
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.B mount \-t vbfs -o share=myshare none /usr/myshare
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# Mount the "\fImyshare\fR" shared folder on \fI/usr/myshare\fR
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.TP 20
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.B mount \-t vbfs \-o share=shared,prefix=foo/bar,uid=20,fmask=644 none /mnt
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# Mount the "\fIfoo/bar\fR" subtree from the "\fIshared\fR" shared folder on
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\fI/mnt\fR
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.SH LIMITATIONS
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VBFS has been designed to provide a convenient means to exchange files between
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the guest and the host system, not as a complete file system implementation.
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As such, it comes with many limitations. Some of these are VBFS implementation
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shortcomings; some are the result of behavioral differences between the host
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file system and the guest's expectations; some are the result of a mismatch
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between MINIX's VFS/FS protocol and the requirements from VBFS; and finally,
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some are the result of the user's ability to change the file system on the
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host system at any time.
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.SH "SEE ALSO"
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.BR mount (1),
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.BR hgfs (8)
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.SH AUTHOR
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David van Moolenbroek <david@minix3.org>
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