1.\" Copyright (c) 1980, 1991, 1993 2.\" The Regents of the University of California. All rights reserved. 3.\" 4.\" %sccs.include.redist.man% 5.\" 6.\" @(#)rc.8 8.2 (Berkeley) 12/11/93 7.\" 8.Dd 9.Dt RC 8 10.Os BSD 4 11.Sh NAME 12.Nm rc 13.Nd command script for auto\-reboot and daemons 14.Sh SYNOPSIS 15.Nm rc 16.Nm rc.local 17.Sh DESCRIPTION 18.Nm Rc 19is the command script which controls the automatic reboot and 20.Nm rc.local 21is the script holding commands which are pertinent only 22to a specific site. 23.Pp 24When an automatic reboot is in progress, 25.Nm rc 26is invoked with the argument 27.Em autoboot . 28The first portion of 29.Nm rc 30runs an 31.Xr fsck 8 32with option 33.Fl p 34to ``preen'' all the disks of minor inconsistencies resulting 35from the last system shutdown and to check for serious inconsistencies 36caused by hardware or software failure. 37If this auto-check and repair succeeds, then the second part of 38.Nm rc 39is run. 40.Pp 41The second part of 42.Nm rc , 43which is run after an auto-reboot succeeds and also if 44.Nm rc 45is invoked when a single user shell terminates (see 46.Xr init 8 ) , 47starts all the daemons on the system, preserves editor files 48and clears the scratch directory 49.Pa /tmp . 50.Pp 51.Nm Rc.local 52is executed immediately before any other commands after a successful 53.Xr fsck . 54Normally, the first commands placed in the 55.Nm rc.local 56file define the machine's name, using 57.Xr hostname 1 , 58and save any possible core image that might have been 59generated as a result of a system crash, with 60.Xr savecore 8 . 61The latter command is included in the 62.Nm rc.local 63file because the directory in which core dumps are saved 64is usually site specific. 65.Pp 66Following tradition, the startup files 67.Nm rc 68and 69.Nm rc.local 70reside in 71.Pa /etc . 72.Sh SEE ALSO 73.Xr init 8 , 74.Xr reboot 8 , 75.Xr savecore 8 76.Sh HISTORY 77The 78.Nm 79command appeared in 80.Bx 4.0 . 81