1.\" $FreeBSD: head/usr.bin/lsvfs/lsvfs.1 251580 2013-06-09 16:33:32Z hrs $ 2.\" Garrett A. Wollman, September 1994 3.\" This file is in the public domain. 4.\" 5.Dd March 10, 2018 6.Dt LSVFS 1 7.Os 8.Sh NAME 9.Nm lsvfs 10.Nd list installed virtual file systems 11.Sh SYNOPSIS 12.Nm 13.Op Ar vfsname Ar ... 14.Sh DESCRIPTION 15The 16.Nm 17command lists information about the currently loaded virtual file system 18modules. 19When 20.Ar vfsname 21arguments are given, 22.Nm 23lists information about the specified VFS modules. 24Otherwise, 25.Nm 26lists all currently loaded modules. 27The information is as follows: 28.Pp 29.Bl -tag -compact -width Filesystem 30.It Filesystem 31the name of the file system, as would be used in the 32.Ar type 33parameter to 34.Xr mount 2 35and the 36.Fl t 37option to 38.Xr mount 8 39.It Num 40the filesystem type number. 41.It Refs 42the number of references to this VFS; i.e., the number of currently 43mounted file systems of this type 44.It Flags 45flag bits. 46.El 47.Sh SEE ALSO 48.Xr mount 2 , 49.Xr getvfsbyname 3 , 50.Xr getvfsent 3 , 51.Xr mount 8 52.Sh HISTORY 53A 54.Nm 55command appeared in 56.Fx 2.0 . 57.Sh BUGS 58In 59.Dx Ap s 60encrypted root setup, 61.Nm 62will show at least 2 references to 63.Dq ufs 64even though just 65.Pa /boot 66seems to be mounted. 67The second reference is the initial root from the 68.Pa /boot/kernel/initrd.img.gz 69image. 70