1.\" Copyright (c) 1989, 1991, 1993 2.\" The Regents of the University of California. All rights reserved. 3.\" 4.\" %sccs.include.redist.roff% 5.\" 6.\" @(#)nfsd.8 8.3 (Berkeley) 02/22/94 7.\" 8.Dd 9.Dt NFSD 8 10.Os 11.Sh NAME 12.Nm nfsd 13.Nd remote 14.Tn NFS 15server 16.Sh SYNOPSIS 17.Nm nfsd 18.Op Fl rut 19.Op Fl n Ar num_servers 20.Sh DESCRIPTION 21.Nm Nfsd 22runs on a server machine to service 23.Tn NFS 24requests from client machines. 25At least one 26.Nm nfsd 27must be running for a machine to operate as a server. 28.Pp 29Unless otherwise specified, four servers for 30.Tn UDP 31transport are started. 32.Pp 33The following options are available: 34.Bl -tag -width Ds 35.It Fl r 36Register the 37.Tn NFS 38service with 39.Xr portmap 8 40without creating any servers. 41This option can be used along with the 42.Fl u 43or 44.Fl t 45options to re-register NFS if the portmap server is restarted. 46.It Fl n 47Specifies how many servers to create. 48.It Fl t 49Serve 50.Tn TCP NFS 51clients. 52.It Fl u 53Serve 54.Tn UDP NFS 55clients. 56.El 57.Pp 58For example, 59.Dq Li "nfsd -u -t 6" 60serves 61.Tn UDP 62and 63.Tn TCP 64transports using six daemons. 65.Pp 66A server should run enough daemons to handle 67the maximum level of concurrency from its clients, 68typically four to six. 69.Pp 70.Nm Nfsd 71listens for service requests at the port indicated in the 72.Tn NFS 73server specification; see 74.%T "Network File System Protocol Specification" , 75RFC1094. 76.Pp 77The 78.Nm nfsd 79utility exits 0 on success, and >0 if an error occurs. 80.Sh SEE ALSO 81.Xr nfsstat 1 , 82.Xr nfssvc 2 , 83.Xr mountd 8 , 84.Xr portmap 8 85.Sh HISTORY 86The 87.Nm nfsd 88utility first appeared in 4.4BSD. 89