1.\" Copyright (c) 1983, 1991, 1993 2.\" The Regents of the University of California. All rights reserved. 3.\" 4.\" Redistribution and use in source and binary forms, with or without 5.\" modification, are permitted provided that the following conditions 6.\" are met: 7.\" 1. Redistributions of source code must retain the above copyright 8.\" notice, this list of conditions and the following disclaimer. 9.\" 2. Redistributions in binary form must reproduce the above copyright 10.\" notice, this list of conditions and the following disclaimer in the 11.\" documentation and/or other materials provided with the distribution. 12.\" 3. Neither the name of the University nor the names of its contributors 13.\" may be used to endorse or promote products derived from this software 14.\" without specific prior written permission. 15.\" 16.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 17.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 20.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26.\" SUCH DAMAGE. 27.\" 28.Dd October 22, 2006 29.Dt INTRO 8 30.Os 31.Sh NAME 32.Nm intro 33.Nd "introduction to system maintenance procedures and commands" 34.Sh DESCRIPTION 35This section contains information related to system operation 36and maintenance. 37.Pp 38It describes commands used to create new file systems 39.Pq Xr newfs 8 , 40verify the integrity of the file systems 41.Pq Xr fsck 8 , 42control disk usage 43.Pq Xr edquota 8 , 44maintain system backups 45.Pq Xr dump 8 , 46and recover files when disks die an untimely death 47.Pq Xr restore 8 . 48.\" The 49.\" .Xr format 8 50.\" manual 51.\" for the specific architecture the system is running on should be 52.\" consulted when formatting disks and tapes. 53Network related services like 54.Xr inetd 8 55are also described. 56.Pp 57All commands set an exit status. 58Its value may be tested 59to see if the command completed normally. 60Unless otherwise noted (rare), the value 0 signifies successful 61completion of the command, while a value >0 indicates an error. 62Some commands attempt to describe the nature of the failure by using 63error codes defined in 64.Xr sysexits 3 , 65or set the status to arbitrary values >0 (typically 1), but many 66such values are not described in the manual. 67.Pp 68A number of pages in this section describe general system 69management topics. 70.Pp 71For example, the 72.Xr boot 8 73manual page describes the system bootstrapping procedures, 74and the 75.Xr diskless 8 76manual page describes how to boot a system over a network. 77The 78.Xr crash 8 79manual page 80should be consulted to understand how to interpret system 81crash dumps. 82.Sh HISTORY 83The 84.Nm 85section manual page appeared in 86.Bx 4.2 . 87