1.\" $OpenBSD: bootparams.5,v 1.13 2022/03/31 17:27:31 naddy Exp $ 2.\" 3.\" Copyright (c) 1994 Gordon W. Ross 4.\" All rights reserved. 5.\" 6.\" Redistribution and use in source and binary forms, with or without 7.\" modification, are permitted provided that the following conditions 8.\" are met: 9.\" 1. Redistributions of source code must retain the above copyright 10.\" notice, this list of conditions and the following disclaimer. 11.\" 2. Redistributions in binary form must reproduce the above copyright 12.\" notice, this list of conditions and the following disclaimer in the 13.\" documentation and/or other materials provided with the distribution. 14.\" 3. The name of the author may not be used to endorse or promote products 15.\" derived from this software without specific prior written permission. 16.\" 17.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 18.\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 19.\" OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 20.\" IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 21.\" INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 22.\" NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23.\" DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24.\" THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25.\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 26.\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27.\" 28.Dd $Mdocdate: March 31 2022 $ 29.Dt BOOTPARAMS 5 30.Os 31.Sh NAME 32.Nm bootparams 33.Nd boot parameter database 34.Sh DESCRIPTION 35The 36.Nm bootparams 37file specifies the boot parameters that 38.Xr diskless 8 39clients may request when booting over the network. 40Each client supported by this server must have an entry in the 41.Nm bootparams 42file containing the pathnames for its "root" and (optionally) "swap" areas. 43.Pp 44Each line in the file 45(other than comment lines that begin with a 46.Sq # ) 47specifies the client name followed by the pathnames that 48the client may request by their logical names. 49The components of the line are delimited with blank or tab, 50and may be continued onto multiple lines with a backslash. 51.Pp 52For example: 53.Bd -literal -offset indent 54client root=server:/export/client/root \e 55 swap=server:/export/client/swap \e 56 dump=server:/export/client/swap 57.Ed 58.Pp 59When the client named "client" requests the pathname for 60its logical "root", it will be given the server name "server" 61and the pathname 62.Pa /export/client/root 63as the response to its 64.Tn RPC 65request. 66.Pp 67A line containing simply 68.Sq + 69will cause YP lookups to be done on the YP map "bootparams". 70.Sh FILES 71.Bl -tag -width /etc/bootparams -compact 72.It Pa /etc/bootparams 73default configuration file 74.El 75.Sh SEE ALSO 76.Xr diskless 8 , 77.Xr rpc.bootparamd 8 , 78.Xr yp 8 79