1995-01-31 00:12:41 +03:00
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.\" Copyright (c) 1990, 1993
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.\" The Regents of the University of California. All rights reserved.
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1993-03-21 12:45:37 +03:00
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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 by the University of
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.\" California, Berkeley and its contributors.
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.\" 4. Neither the name of the University nor the names of its contributors
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.\" may be used to endorse or promote products derived from this software
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.\" without specific prior written permission.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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.\" SUCH DAMAGE.
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.\"
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.\" from: @(#)dev_mkdb.8 8.1 (Berkeley) 6/6/93
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.\" $NetBSD: dev_mkdb.8,v 1.8 2002/01/19 03:09:47 wiz Exp $
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.\"
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1995-01-31 00:12:41 +03:00
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.Dd June 6, 1993
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1993-03-21 12:45:37 +03:00
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.Os
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.Dt DEV_MKDB 8
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.Sh NAME
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.Nm dev_mkdb
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.Nd create
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.Pa /dev
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database
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.Sh SYNOPSIS
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.Nm
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.Op Fl o Ar database
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.Op directory
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.Sh DESCRIPTION
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The
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.Nm
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command creates a
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.Xr db 3
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hash access method database in
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.Dq Pa /var/run/dev.db
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which contains the names of all of the character and block special
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files in the specified directory, using the file type and the
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.Fa st_rdev
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field as the key.
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If no directory is specified, the
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.Dq Pa /dev
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directory is used.
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.Pp
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Keys are a structure containing a mode_t followed by a dev_t,
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with any padding zero'd out.
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The former is the type of the file (st_mode & S_IFMT),
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the latter is the st_rdev field.
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.Pp
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The options are as follows:
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.Bl -tag -width indent
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.It Fl o Ar database
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Put the output databases in the named file.
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.El
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.Sh FILES
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.Bl -tag -width /var/run/dev.db -compact
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.It Pa /dev
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Device directory.
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.It Pa /var/run/dev.db
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Database file.
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.El
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.Sh SEE ALSO
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.Xr ps 1 ,
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.Xr stat 2 ,
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.Xr db 3 ,
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.Xr devname 3 ,
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.Xr kvm_nlist 3 ,
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.Xr ttyname 3 ,
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.Xr kvm_mkdb 8
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.Sh HISTORY
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The
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.Nm
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command appeared in
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.Bx 4.4 .
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