1.\" Copyright (c) 1989, 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.\" from: @(#)nfsd.8 8.3 (Berkeley) 2/22/94 33.\" $Id: nfsd.8,v 1.5 1994/06/08 19:31:48 mycroft Exp $ 34.\" 35.Dd February 22, 1994 36.Dt NFSD 8 37.Os 38.Sh NAME 39.Nm nfsd 40.Nd remote 41.Tn NFS 42server 43.Sh SYNOPSIS 44.Nm nfsd 45.Op Fl rut 46.Op Fl n Ar num_servers 47.Sh DESCRIPTION 48.Nm Nfsd 49runs on a server machine to service 50.Tn NFS 51requests from client machines. 52At least one 53.Nm nfsd 54must be running for a machine to operate as a server. 55.Pp 56Unless otherwise specified, four servers for 57.Tn UDP 58transport are started. 59.Pp 60The following options are available: 61.Bl -tag -width Ds 62.It Fl r 63Register the 64.Tn NFS 65service with 66.Xr portmap 8 67without creating any servers. 68This option can be used along with the 69.Fl u 70or 71.Fl t 72options to re-register NFS if the portmap server is restarted. 73.It Fl n 74Specifies how many servers to create. 75.It Fl t 76Serve 77.Tn TCP NFS 78clients. 79.It Fl u 80Serve 81.Tn UDP NFS 82clients. 83.El 84.Pp 85For example, 86.Dq Li "nfsd -u -t 6" 87serves 88.Tn UDP 89and 90.Tn TCP 91transports using six daemons. 92.Pp 93A server should run enough daemons to handle 94the maximum level of concurrency from its clients, 95typically four to six. 96.Pp 97.Nm Nfsd 98listens for service requests at the port indicated in the 99.Tn NFS 100server specification; see 101.%T "Network File System Protocol Specification" , 102RFC1094. 103.Pp 104The 105.Nm nfsd 106utility exits 0 on success, and >0 if an error occurs. 107.Sh SEE ALSO 108.Xr nfsstat 1 , 109.Xr nfssvc 2 , 110.Xr mountd 8 , 111.Xr portmap 8 112.Sh HISTORY 113The 114.Nm nfsd 115utility first appeared in 4.4BSD. 116