1.\" Copyright (c) 1989, 1991, 1993 2.\" The Regents of the University of California. All rights reserved. 3.\" 4.\" This code is derived from software contributed to Berkeley by 5.\" Rick Macklem at The University of Guelph. 6.\" 7.\" Redistribution and use in source and binary forms, with or without 8.\" modification, are permitted provided that the following conditions 9.\" are met: 10.\" 1. Redistributions of source code must retain the above copyright 11.\" notice, this list of conditions and the following disclaimer. 12.\" 2. Redistributions in binary form must reproduce the above copyright 13.\" notice, this list of conditions and the following disclaimer in the 14.\" documentation and/or other materials provided with the distribution. 15.\" 3. Neither the name of the University nor the names of its contributors 16.\" may be used to endorse or promote products derived from this software 17.\" without specific prior written permission. 18.\" 19.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 20.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 23.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29.\" SUCH DAMAGE. 30.\" 31.\" @(#)showmount.8 8.3 (Berkeley) 3/29/95 32.\" 33.Dd March 20, 2016 34.Dt SHOWMOUNT 8 35.Os 36.Sh NAME 37.Nm showmount 38.Nd show remote nfs mounts on host 39.Sh SYNOPSIS 40.Nm 41.Op Fl a | d 42.Op Fl E 43.Op Fl e 44.Op Fl 1 45.Op Fl 3 46.Op Ar host 47.Sh DESCRIPTION 48The 49.Nm 50utility shows status information about the 51.Tn NFS 52server on 53.Ar host . 54By default it prints the names of all hosts that have 55.Tn NFS 56file systems mounted 57on the host. 58See 59.%T "NFS: Network File System Protocol Specification" , 60RFC 1094, 61Appendix A, 62and 63.%T "NFS: Network File System Version 3 Protocol Specification" , 64Appendix I, 65for a detailed description of the protocol. 66.Pp 67The following options are available: 68.Bl -tag -width indent 69.It Fl a , Fl -all 70List all mount points in the form: 71.Bd -ragged -offset indent -compact 72.Ar host : Ns Ar dirpath . 73.Ed 74.It Fl d , Fl -directories 75List directory paths of mount points instead of hosts. 76.It Fl E , Fl -exports-script 77Show the 78.Ar host Ns 's 79exports list in a script-friendly format. 80Client addresses and the header are not shown, and special 81characters are escaped. 82.It Fl e , Fl -exports 83Show the 84.Ar host Ns 's 85exports list. 86.It Fl 1 87Use mount protocol Version 1, compatible with legacy servers. 88.It Fl 3 89Ignored for backwards compatibility. 90.El 91.Sh SEE ALSO 92.Xr mount 8 , 93.Xr mount_nfs 8 , 94.Xr mountd 8 95.Sh HISTORY 96The 97.Nm 98utility first appeared in 99.Bx 4.4 . 100.Sh BUGS 101The mount daemon running on the server only has an idea of the actual mounts, 102since the 103.Tn NFS 104server is stateless. 105The 106.Nm 107utility will only display the information 108as accurately as the mount daemon reports it. 109