xref: /openbsd-src/usr.sbin/dev_mkdb/dev_mkdb.8 (revision 65720e70ca4c86321dea55a5f192a6190df8d540)
1*65720e70Sschwarze.\"	$OpenBSD: dev_mkdb.8,v 1.10 2022/08/04 11:50:46 schwarze Exp $
21f9aa0baSjmc.\"
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4df930be7Sderaadt.\"	The Regents of the University of California.  All rights reserved.
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9df930be7Sderaadt.\" 1. Redistributions of source code must retain the above copyright
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18df930be7Sderaadt.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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30df930be7Sderaadt.\"	from: @(#)dev_mkdb.8	8.1 (Berkeley) 6/6/93
31df930be7Sderaadt.\"
326e23b9dcSjsg.Dd $Mdocdate: August 4 2022 $
33df930be7Sderaadt.Dt DEV_MKDB 8
347f3168a2Saaron.Os
35df930be7Sderaadt.Sh NAME
36df930be7Sderaadt.Nm dev_mkdb
37e34c0550Sschwarze.Nd create /dev database
38df930be7Sderaadt.Sh SYNOPSIS
39df930be7Sderaadt.Nm dev_mkdb
40df930be7Sderaadt.Sh DESCRIPTION
41df930be7SderaadtThe
426931a8aaSaaron.Nm
43df930be7Sderaadtcommand creates a
441f9aa0baSjmc.Xr hash 3
451f9aa0baSjmcaccess method Berkeley database in
46df930be7Sderaadt.Dq Pa /var/run/dev.db
47df930be7Sderaadtwhich contains the names of all of the character and block special
48df930be7Sderaadtfiles in the
49df930be7Sderaadt.Dq Pa /dev
50df930be7Sderaadtdirectory, using the file type and the
51*65720e70Sschwarze.Fa st_rdev
52df930be7Sderaadtfield as the key.
53df930be7Sderaadt.Pp
546f10db5aSaaronKeys are a structure containing a
55*65720e70Sschwarze.Vt mode_t
566f10db5aSaaronfollowed by a
57*65720e70Sschwarze.Vt dev_t ,
586f10db5aSaaronwith any padding zeroed out.
596f10db5aSaaronThe former is the type of the file
60*65720e70Sschwarze.Pq Fa st_mode No & Dv S_IFMT ,
616f10db5aSaaronthe latter is the
62*65720e70Sschwarze.Fa st_rdev
636f10db5aSaaronfield.
64df930be7Sderaadt.Sh FILES
65df930be7Sderaadt.Bl -tag -width /var/run/dev.db -compact
66df930be7Sderaadt.It Pa /dev
676f10db5aSaarondevice directory
68df930be7Sderaadt.It Pa /var/run/dev.db
696f10db5aSaarondatabase file
70df930be7Sderaadt.El
71df930be7Sderaadt.Sh SEE ALSO
72df930be7Sderaadt.Xr ps 1 ,
73df930be7Sderaadt.Xr stat 2 ,
741f9aa0baSjmc.Xr dbopen 3 ,
75df930be7Sderaadt.Xr devname 3 ,
76df930be7Sderaadt.Xr kvm_nlist 3 ,
77df930be7Sderaadt.Xr ttyname 3 ,
78df930be7Sderaadt.Xr kvm_mkdb 8
79df930be7Sderaadt.Sh HISTORY
80df930be7SderaadtThe
816931a8aaSaaron.Nm
82df930be7Sderaadtcommand appeared in
836e23b9dcSjsg.Bx 4.3 Net/2 .
84