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.\" Copyright (c) 1983, 1991, 1993
.\" The Regents of the University of California. All rights reserved.
.\"
.\" Redistribution and use in source and binary forms, with or without
.\" modification, are permitted provided that the following conditions
.\" are met:
.\" 1. Redistributions of source code must retain the above copyright
.\" notice, this list of conditions and the following disclaimer.
.\" 2. Redistributions in binary form must reproduce the above copyright
.\" notice, this list of conditions and the following disclaimer in the
.\" documentation and/or other materials provided with the distribution.
.\" 3. All advertising materials mentioning features or use of this software
.\" must display the following acknowledgement:
.\" This product includes software developed by the University of
.\" California, Berkeley and its contributors.
.\" 4. Neither the name of the University nor the names of its contributors
.\" may be used to endorse or promote products derived from this software
.\" without specific prior written permission.
.\"
.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
.\" SUCH DAMAGE.
.\"
.\" @(#)intro.8 8.2 (Berkeley) 12/11/93
.\" $FreeBSD$
.\"
.Dd October 22, 2006
.Dt INTRO 8
.Os
.Sh NAME
.Nm intro
.Nd "introduction to system maintenance procedures and commands"
.Sh DESCRIPTION
This section contains information related to system operation
and maintenance.
.Pp
It describes commands used to create new file systems
.Pq Xr newfs 8 ,
verify the integrity of the file systems
.Pq Xr fsck 8 ,
control disk usage
.Pq Xr edquota 8 ,
maintain system backups
.Pq Xr dump 8 ,
and recover files when disks die an untimely death
.Pq Xr restore 8 .
.\" The
.\" .Xr format 8
.\" manual
.\" for the specific architecture the system is running on should be
.\" consulted when formatting disks and tapes.
Network related services like
.Xr inetd 8
and
.Xr ftpd 8
are also described.
.Pp
All commands set an exit status.
Its value may be tested
to see if the command completed normally.
Unless otherwise noted (rare), the value 0 signifies successful
completion of the command, while a value >0 indicates an error.
Some commands attempt to describe the nature of the failure by using
error codes defined in
.Xr sysexits 3 ,
or set the status to arbitrary values >0 (typically 1), but many
such values are not described in the manual.
.Pp
A number of pages in this section describe general system
management topics.
.Pp
For example, the
.Xr boot 8
manual page describes the system bootstrapping procedures,
and the
.Xr diskless 8
manual page describes how to boot a system over a network.
The
.Xr crash 8
manual page
should be consulted to understand how to interpret system
crash dumps.
.Sh HISTORY
The
.Nm
section manual page appeared in
.Bx 4.2 .
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