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.Dd March 20, 2016 32.Dt SHOWMOUNT 8 33.Os 34.Sh NAME 35.Nm showmount 36.Nd show remote nfs mounts on host 37.Sh SYNOPSIS 38.Nm 39.Op Fl a | d 40.Op Fl E 41.Op Fl e 42.Op Fl 1 43.Op Fl 3 44.Op Ar host 45.Sh DESCRIPTION 46The 47.Nm 48utility shows status information about the 49.Tn NFS 50server on 51.Ar host . 52By default it prints the names of all hosts that have 53.Tn NFS 54file systems mounted 55on the host. 56See 57.%T "NFS: Network File System Protocol Specification" , 58RFC 1094, 59Appendix A, 60and 61.%T "NFS: Network File System Version 3 Protocol Specification" , 62Appendix I, 63for a detailed description of the protocol. 64.Pp 65The following options are available: 66.Bl -tag -width indent 67.It Fl a , Fl -all 68List all mount points in the form: 69.Bd -ragged -offset indent -compact 70.Ar host : Ns Ar dirpath . 71.Ed 72.It Fl d , Fl -directories 73List directory paths of mount points instead of hosts. 74.It Fl E , Fl -exports-script 75Show the 76.Ar host Ns 's 77exports list in a script-friendly format. 78Client addresses and the header are not shown, and special 79characters are escaped. 80.It Fl e , Fl -exports 81Show the 82.Ar host Ns 's 83exports list. 84.It Fl 1 85Use mount protocol Version 1, compatible with legacy servers. 86.It Fl 3 87Ignored for backwards compatibility. 88.El 89.Sh SEE ALSO 90.Xr mount 8 , 91.Xr mount_nfs 8 , 92.Xr mountd 8 93.Sh HISTORY 94The 95.Nm 96utility first appeared in 97.Bx 4.4 . 98.Sh BUGS 99The mount daemon running on the server only has an idea of the actual mounts, 100since the 101.Tn NFS 102server is stateless. 103The 104.Nm 105utility will only display the information 106as accurately as the mount daemon reports it. 107