NEWFS_SYSVBFS(8) System Manager's Manual NEWFS_SYSVBFS(8)
NAME
newfs_sysvbfsconstruct a new System V Boot File System
SYNOPSIS
newfs_sysvbfs
[-FZ] [-s sectors] special
DESCRIPTION
newfs_sysvbfs builds a System V boot file system on the specified special. If it is a device, the size information will be taken from the disk label and before running newfs_sysvbfs the disk must be labeled using disklabel(8); the proper fstype is “SysVBFS”. Otherwise, the size must be specified on the command line.
 
The following arguments are supported:
-F
Create file system to a regular file.
-s sectors
Create file system with specified number of disk sectors.
-Z
Fill file with zeroes instead of creating a sparse file.
SEE ALSO
HISTORY
A newfs_sysvbfs command first appeared in NetBSD 4.0.
BUGS
The sysvbfs support is still experimental and there are few sanity checks.