1.\" $NetBSD: boot.8,v 1.5 2019/09/01 15:08:52 sevan Exp $ 2.\" 3.\" Copyright (c) 1990, 1991, 1993 4.\" The Regents of the University of California. All rights reserved. 5.\" 6.\" This code is derived from software contributed to Berkeley by 7.\" the Systems Programming Group of the University of Utah Computer 8.\" Science Department. 9.\" 10.\" Redistribution and use in source and binary forms, with or without 11.\" modification, are permitted provided that the following conditions 12.\" are met: 13.\" 1. Redistributions of source code must retain the above copyright 14.\" notice, this list of conditions and the following disclaimer. 15.\" 2. Redistributions in binary form must reproduce the above copyright 16.\" notice, this list of conditions and the following disclaimer in the 17.\" documentation and/or other materials provided with the distribution. 18.\" 3. Neither the name of the University nor the names of its contributors 19.\" may be used to endorse or promote products derived from this software 20.\" without specific prior written permission. 21.\" 22.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 23.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 26.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 27.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 28.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32.\" SUCH DAMAGE. 33.\" 34.\" From: 35.\" @(#)boot_hp300.8 8.2 (Berkeley) 4/19/94 36.\" 37.Dd September 1, 2019 38.Dt BOOT 8 next68k 39.Os 40.Sh NAME 41.Nm boot 42.Nd 43system bootstrapping procedures 44.Sh DESCRIPTION 45.Ss Power fail and crash recovery 46Normally, the system will reboot itself at power-up or after crashes. 47An automatic consistency check of the file systems will be performed, 48and unless this fails, the system will resume multi-user operations. 49.Ss Cold starts 50On a NeXT, the boot procedure uses the boot ROM to load a boot program 51over the network using BOOTP and TFTP. 52The 53.Pa /usr/mdec 54directory contains a network boot program which should be made available 55via 56.Xr tftp 1 . 57The network boot program will load 58.Pa netbsd 59from the NFS root as determined by the procedure described in 60.Xr diskless 8 . 61.Sh FILES 62.Bl -tag -width /usr/mdec/installboot -compact 63.It Pa /netbsd 64system code 65.It Pa /usr/mdec/boot 66boot program for NFS (diskless) boot 67.El 68.Sh SEE ALSO 69.Xr halt 8 , 70.Xr init 8 , 71.Xr rc 8 , 72.Xr reboot 8 , 73.Xr shutdown 8 74