92 lines
2.8 KiB
Groff
92 lines
2.8 KiB
Groff
.\" Copyright (c) 1990, 1993
|
|
.\" The Regents of the University of California. All rights reserved.
|
|
.\"
|
|
.\" Redistribution and use in source and binary forms, with or without
|
|
.\" modification, are permitted provided that the following conditions
|
|
.\" are met:
|
|
.\" 1. Redistributions of source code must retain the above copyright
|
|
.\" notice, this list of conditions and the following disclaimer.
|
|
.\" 2. Redistributions in binary form must reproduce the above copyright
|
|
.\" notice, this list of conditions and the following disclaimer in the
|
|
.\" documentation and/or other materials provided with the distribution.
|
|
.\" 3. All advertising materials mentioning features or use of this software
|
|
.\" must display the following acknowledgement:
|
|
.\" This product includes software developed by the University of
|
|
.\" California, Berkeley and its contributors.
|
|
.\" 4. Neither the name of the University nor the names of its contributors
|
|
.\" may be used to endorse or promote products derived from this software
|
|
.\" without specific prior written permission.
|
|
.\"
|
|
.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
|
|
.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
|
|
.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
.\" SUCH DAMAGE.
|
|
.\"
|
|
.\" @(#)dev_mkdb.8 8.1 (Berkeley) 6/6/93
|
|
.\" $FreeBSD$
|
|
.\"
|
|
.Dd November 18, 2001
|
|
.Os
|
|
.Dt DEV_MKDB 8
|
|
.Sh NAME
|
|
.Nm dev_mkdb
|
|
.Nd create
|
|
.Pa /dev
|
|
database
|
|
.Sh SYNOPSIS
|
|
.Nm
|
|
.Op Fl f Ar file
|
|
.Op Ar directory
|
|
.Sh DESCRIPTION
|
|
The
|
|
.Nm
|
|
command creates a
|
|
.Xr db 3
|
|
hash access method database in
|
|
.Ar file
|
|
.Pa ( /var/run/dev.db
|
|
by default)
|
|
which contains the names of all of the character and block special
|
|
files in
|
|
.Ar directory
|
|
.Pa ( /dev
|
|
by default), using the file type and the
|
|
.Fa st_rdev
|
|
field as the key.
|
|
.Pp
|
|
Keys are a structure containing a
|
|
.Vt mode_t
|
|
followed by a
|
|
.Vt dev_t ,
|
|
with any padding zero'd out.
|
|
The former is the type of the file
|
|
.Va ( st_mode Li & Dv S_IFMT ) ,
|
|
the latter is the
|
|
.Va st_rdev
|
|
field.
|
|
.Sh FILES
|
|
.Bl -tag -width ".Pa /var/run/dev.db" -compact
|
|
.It Pa /dev
|
|
Default device directory.
|
|
.It Pa /var/run/dev.db
|
|
Default database file.
|
|
.El
|
|
.Sh SEE ALSO
|
|
.Xr ps 1 ,
|
|
.Xr stat 2 ,
|
|
.Xr db 3 ,
|
|
.Xr devname 3 ,
|
|
.Xr ttyname 3
|
|
.Sh HISTORY
|
|
The
|
|
.Nm
|
|
command appeared in
|
|
.Bx 4.4 .
|