42614ed3f3
64 bit block pointers, extended attribute storage, and a few other things. This commit does not yet include the code to manipulate the extended storage (for e.g. ACLs), this will be done later. Originally written by Kirk McKusick and Network Associates Laboratories for FreeBSD.
287 lines
7.1 KiB
Groff
287 lines
7.1 KiB
Groff
.\" $NetBSD: makefs.8,v 1.12 2003/04/02 10:39:48 fvdl Exp $
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.\"
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.\" Copyright (c) 2001-2003 Wasabi Systems, Inc.
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.\" All rights reserved.
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.\"
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.\" Written by Luke Mewburn for Wasabi Systems, Inc.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\" 3. All advertising materials mentioning features or use of this software
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.\" must display the following acknowledgement:
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.\" This product includes software developed for the NetBSD Project by
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.\" Wasabi Systems, Inc.
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.\" 4. The name of Wasabi Systems, Inc. may not be used to endorse
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.\" or promote products derived from this software without specific prior
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.\" written permission.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND
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.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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.\" TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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.\" PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL WASABI SYSTEMS, INC
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.\" BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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.\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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.\" SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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.\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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.\" CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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.\" POSSIBILITY OF SUCH DAMAGE.
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.\"
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.Dd March 30, 2003
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.Dt MAKEFS 8
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.Os
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.Sh NAME
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.Nm makefs
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.Nd create a file system image from a directory tree
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.Sh SYNOPSIS
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.Nm
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.Bk -words
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.Op Fl t Ar fs-type
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.Ek
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.Bk -words
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.Op Fl o Ar fs-options
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.Ek
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.Bk -words
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.Op Fl d Ar debug-mask
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.Ek
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.Bk -words
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.Op Fl B Ar byte-order
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.Ek
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.Bk -words
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.Op Fl S Ar sector-size
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.Ek
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.Bk -words
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.Op Fl M Ar minimum-size
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.Ek
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.Bk -words
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.Op Fl m Ar maximum-size
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.Ek
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.Bk -words
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.Op Fl s Ar image-size
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.Ek
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.Bk -words
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.Op Fl b Ar free-blocks
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.Ek
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.Bk -words
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.Op Fl f Ar free-files
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.Ek
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.Bk -words
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.Op Fl F Ar specfile
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.Ek
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.Op Fl x
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.Bk -words
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.Op Fl N Ar userdb-dir
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.Ek
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.Ar image-file
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.Ar directory
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.Sh DESCRIPTION
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The utility
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.Nm
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creates a file system image into
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.Ar image-file
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from the directory tree
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.Ar directory .
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No special devices or privileges are required to perform this task.
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.Pp
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The options are as follows:
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.Bl -tag -width flag
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.It Fl t Ar fs-type
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Create an
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.Ar fs-type
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file system image.
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The following file system types are supported:
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.Bl -tag -width ffs -offset indent
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.It Sy ffs
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BSD fast file system (default).
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.El
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.It Fl o Ar fs-options
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Set file system specific options.
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.Ar fs-options
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is a comma separated list of options.
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Valid file system specific options are detailed below.
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.It Fl d Ar debug-mask
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Enable various levels of debugging, depending upon which bits are set
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in
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.Ar debug-mask .
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XXX: document these
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.It Fl B Ar byte-order
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Set the byte order of the image to
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.Ar byte-order .
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Valid byte orders are
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.Ql 4321 ,
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.Ql big
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or
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.Ql be
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for big endian, and
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.Ql 1234 ,
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.Ql little
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or
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.Ql le
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for little endian.
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Some file systems may have a fixed byte order; in those cases this
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argument will be ignored.
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.It Fl S Ar sector-size
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Set the file system sector size to
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.Ar sector-size .
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Defaults to 512.
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.It Fl M Ar minimum-size
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Set the minimum size of the file system image to
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.Ar minimum-size .
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.It Fl m Ar maximum-size
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Set the maximum size of the file system image to
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.Ar maximum-size .
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An error will be raised if the target file system needs to be larger
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than this to accommodate the provided directory tree.
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.It Fl s Ar image-size
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Set the size of the file system image to
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.Ar image-size .
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.It Fl b Ar free-blocks
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Ensure that a minimum of
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.Ar free-blocks
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free blocks exist in the image.
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An optional
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.Ql %
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suffix may be provided to indicate that
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.Ar free-blocks
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indicates a percentage of the calculated image size
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.It Fl f Ar free-files
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Ensure that a minimum of
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.Ar free-files
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free files (inodes) exist in the image.
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An optional
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.Ql %
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suffix may be provided to indicate that
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.Ar free-blocks
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indicates a percentage of the calculated image size
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.It Fl F Ar specfile
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Use
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.Ar specfile
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as an
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.Xr mtree 8
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.Sq specfile
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specification.
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.Pp
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If a specfile entry exists in the underlying file system, its permissions and
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modification time will be used unless specifically overridden by the specfile.
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An error will be raised if the type of entry in the specfile conflicts
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with that of an existing entry.
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.Pp
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In the opposite case
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(where a specfile entry does not have an entry in the underlying file system)
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the following occurs:
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If the specfile entry is marked
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.Sy optional ,
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the specfile entry is ignored.
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Otherwise, the entry will be created in the image,
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and it is necessary to specify at least the following parameters
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in the specfile:
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.Sy type ,
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.Sy mode ,
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.Sy gname
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or
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.Sy gid ,
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and
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.Sy uname
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or
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.Sy uid ,
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.Sy device
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(in the case of block or character devices), and
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.Sy link
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(in the case of symbolic links).
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If
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.Sy time
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isn't provided, the current time will be used.
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If
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.Sy flags
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isn't provided, the current file flags will be used.
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Missing regular file entries will be created as zero-length files.
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.It Fl x
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Exclude file system nodes not explcitly listed in the specfile.
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.It Fl N Ar dbdir
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Use the user database text file
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.Pa master.passwd
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and group database text file
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.Pa group
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from
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.Ar dbdir ,
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rather than using the results from the system's
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.Xr getpwnam 3
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and
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.Xr getgrnam 3
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(and related) library calls.
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.El
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.Pp
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Where sizes are specified, a decimal number of bytes is expected.
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Two or more numbers may be separated by an
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.Dq x
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to indicate a product.
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Each number may have one of the following optional suffices:
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.Bl -tag -width 3n -offset indent -compact
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.It b
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Block; multiply by 512
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.It k
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Kilo; multiply by 1024 (1 KB)
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.It m
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Mega; multiply by 1048576 (1 MB)
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.It g
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Giga; multiply by 1073741824 (1 GB)
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.It t
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Tera; multiply by 1099511627776 (1 TB)
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.It w
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Word; multiply by the number of bytes in an integer
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.El
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.\"
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.\"
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.Ss FFS-specific options
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.Sy ffs
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images have ffs-specific optional parameters that may be provided.
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Each of the options consists of a keyword, an equals sign
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.Pq Ql = ,
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and a value.
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The following keywords are supported:
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.Pp
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.Bl -tag -width optimization -offset indent -compact
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.It Sy avgfilesize
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Expected average file size
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.It Sy avgfpdir
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Expected number of files per directory
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.It Sy bsize
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Block size
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.It Sy density
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Bytes per inode
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.It Sy fsize
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Fragment size
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.It Sy maxbpg
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Maximum blocks per file in a cylinder group
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.It Sy minfree
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Minimum % free
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.It Sy optimization
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Optimization preference; one of
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.Ql space
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or
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.Ql time .
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.It Sy extent
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Maximum extent size
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.It Sy maxbpcg
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Maximum total number of blocks in a cylinder group
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.It Sy version
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UFS version. 1 for FFS (default), 2 for UFS2
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.El
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.Sh SEE ALSO
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.Xr mtree 8 ,
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.Xr newfs 8
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.Sh HISTORY
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The
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.Nm
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utility appeared in
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.Nx 1.6 .
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.Sh AUTHORS
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.An Luke Mewburn
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.Aq lukem@NetBSD.org .
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