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. All advertising materials mentioning features or use of this software 13.\" must display the following acknowledgement: 14.\" This product includes software developed by the University of 15.\" California, Berkeley and its contributors. 16.\" 4. Neither the name of the University nor the names of its contributors 17.\" may be used to endorse or promote products derived from this software 18.\" without specific prior written permission. 19.\" 20.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 21.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 24.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30.\" SUCH DAMAGE. 31.\" 32.\" @(#)intro.8 8.2 (Berkeley) 12/11/93 33.\" $FreeBSD: src/share/man/man8/intro.8,v 1.3.2.4 2002/08/08 09:45:32 ru Exp $ 34.\" $DragonFly: src/share/man/man8/intro.8,v 1.2 2003/06/17 04:37:00 dillon Exp $ 35.\" 36.Dd December 11, 1993 37.Dt INTRO 8 38.Os 39.Sh NAME 40.Nm intro 41.Nd "introduction to system maintenance and operation commands" 42.Sh DESCRIPTION 43This section contains information related to system operation 44and maintenance. 45It describes commands used to create new file systems, 46.Xr newfs 8 , 47verify the integrity of the file systems, 48.Xr fsck 8 , 49control disk usage, 50.Xr edquota 8 , 51maintain system backups, 52.Xr dump 8 , 53and recover files when disks die an untimely death, 54.Xr restore 8 . 55The 56.Xr format 8 57manual 58for the specific architecture the system is running on should be 59consulted when formatting disks and tapes. 60Network related services like 61.Xr inetd 8 62and 63.Xr ftpd 8 64are also described. 65The section 66.Xr crash 8 67should be consulted to understand how to interpret system 68crash dumps. 69.Pp 70All commands set an exit status. 71Its value may be tested 72to see if the command completed normally. 73Unless otherwise noted (rare), the value 0 signifies successful 74completion of the command, while a value >0 indicates an error. 75Some commands attempt to describe the nature of the failure by using 76error codes defined in 77.Xr sysexits 3 , 78or set the status to arbitrary values >0 (typically 1), but many 79such values are not described in the manual. 80.Sh HISTORY 81The 82.Nm 83section manual page appeared in 84.Bx 4.2 . 85