1 .\" Copyright (c) 1983, 1991, 1993
2 .\" The Regents of the University of California. All rights reserved.
4 .\" Redistribution and use in source and binary forms, with or without
5 .\" modification, are permitted provided that the following conditions
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.
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
28 .\" @(#)intro.8 8.2 (Berkeley) 12/11/93
36 .Nd "introduction to system maintenance procedures and commands"
38 This section contains information related to system operation
41 It describes commands used to create new file systems
43 verify the integrity of the file systems
47 maintain system backups
49 and recover files when disks die an untimely death
54 .\" for the specific architecture the system is running on should be
55 .\" consulted when formatting disks and tapes.
56 Network related services like
62 All commands set an exit status.
63 Its value may be tested
64 to see if the command completed normally.
65 Unless otherwise noted (rare), the value 0 signifies successful
66 completion of the command, while a value >0 indicates an error.
67 Some commands attempt to describe the nature of the failure by using
68 error codes defined in
70 or set the status to arbitrary values >0 (typically 1), but many
71 such values are not described in the manual.
73 A number of pages in this section describe general system
78 manual page describes the system bootstrapping procedures,
81 manual page describes how to boot a system over a network.
85 should be consulted to understand how to interpret system
90 section manual page appeared in