1.\" $NetBSD: rc.8,v 1.3 1994/11/30 19:36:26 jtc Exp $ 2.\" 3.\" Copyright (c) 1980, 1991, 1993 4.\" The Regents of the University of California. 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. All advertising materials mentioning features or use of this software 15.\" must display the following acknowledgement: 16.\" This product includes software developed by the University of 17.\" California, Berkeley and its contributors. 18.\" 4. 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.\" @(#)rc.8 8.2 (Berkeley) 12/11/93 35.\" 36.Dd December 11, 1993 37.Dt RC 8 38.Os BSD 4 39.Sh NAME 40.Nm rc 41.Nd command script for auto\-reboot and daemons 42.Sh SYNOPSIS 43.Nm rc 44.Nm rc.local 45.Sh DESCRIPTION 46.Nm Rc 47is the command script which controls the automatic reboot and 48.Nm rc.local 49is the script holding commands which are pertinent only 50to a specific site. 51.Pp 52When an automatic reboot is in progress, 53.Nm rc 54is invoked with the argument 55.Em autoboot . 56The first portion of 57.Nm rc 58runs an 59.Xr fsck 8 60with option 61.Fl p 62to ``preen'' all the disks of minor inconsistencies resulting 63from the last system shutdown and to check for serious inconsistencies 64caused by hardware or software failure. 65If this auto-check and repair succeeds, then the second part of 66.Nm rc 67is run. 68.Pp 69The second part of 70.Nm rc , 71which is run after an auto-reboot succeeds and also if 72.Nm rc 73is invoked when a single user shell terminates (see 74.Xr init 8 ) , 75starts all the daemons on the system, preserves editor files 76and clears the scratch directory 77.Pa /tmp . 78.Pp 79.Nm Rc.local 80is executed immediately before any other commands after a successful 81.Xr fsck . 82Normally, the first commands placed in the 83.Nm rc.local 84file define the machine's name, using 85.Xr hostname 1 , 86and save any possible core image that might have been 87generated as a result of a system crash, with 88.Xr savecore 8 . 89The latter command is included in the 90.Nm rc.local 91file because the directory in which core dumps are saved 92is usually site specific. 93.Pp 94Following tradition, the startup files 95.Nm rc 96and 97.Nm rc.local 98reside in 99.Pa /etc . 100.Sh SEE ALSO 101.Xr init 8 , 102.Xr reboot 8 , 103.Xr savecore 8 104.Sh HISTORY 105The 106.Nm 107command appeared in 108.Bx 4.0 . 109