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+.\" $Id$
+.\" Garrett A. Wollman, September 1994
+.\" This file is in the public domain.
+.\"
+.Dd March 16, 1995
+.Dt LSVFS 1
+.Os
+.Sh NAME
+.Nm lsvfs
+.Nd list installed virtual file systems
+.Sh SYNOPSIS
+.Nm lsvfs
+.Op Ar vfsname Ar ...
+.Sh DESCRIPTION
+The
+.Nm lsvfs
+command lists information about the currently loaded virtual filesystem
+modules.  When
+.Ar vfsname
+arguments are given,
+.Nm lsvfs
+lists information about the specified VFS modules.  Otherwise,
+.Nm lsvfs
+lists all currently loaded modules.
+The information is as follows:
+.Pp
+.Bl -tag -compact -width Filesystem
+.It Filesystem
+the name of the filesystem, as would be used in the
+.Fl t
+option to
+.Xr mount 8
+.It Index
+the kernel filesystem switch slot number for this filesystem, as would be
+used in the
+.Ar type
+parameter to
+.Xr mount 2
+.It Refs
+the number of references to this VFS; i.e., the number of currently
+mounted filesystems of this type
+.It Flags
+flag bits (only
+.Dq static
+is currently defined).
+.El
+.Sh SEE ALSO
+.Xr mount 2 ,
+.Xr mount 8
+.Sh HISTORY
+A
+.Nm
+command appeared in
+.Tn FreeBSD
+2.0.