| NEWFS_UDF(8) | System Manager's Manual | NEWFS_UDF(8) | 
newfs_udf —
| newfs_udf | [ -cFM] [-Bblockingsize] [-Lloglabel] [-Pdiscid] [-ppercentage] [-Ssectorsize] [-ssize] [-tgmtoff] [-Vmax_udf] [-vmin_udf] special | 
newfs_udf utility creates an UDF file system on
  device special suitable for the media currently
  inserted.
The options are as follow:
-B
    blockingsize-c-F-L
    loglabel-M-P
    discidPrepend discid with volsetname separated with a ':' if wanted. For strict conformance and interchange, don't set this manually unless it has a unique hex number in the first 8 character positions.
-p
    percentage-S
    sectorsize-s
    size-t
    gmtoff-V
    max_udf-v
    min_udfnewfs_udf this means
  specifying the raw device with the raw partition, i.e.
  /dev/rcd0d or /dev/rcd0c.
Some rewritable optical media needs to be formatted first before it can be used by UDF. This can be done using mmcformat(8).
The default UDF version is version 2.01.
newfs_udf -P "Encyclopedia:copy-nr-1" -L "volume 2" /dev/rcd0d
Create a 4.8 GiB sparse file and configure it using vnconfig(8) to be a 2048 sector size disc and create a new UDF file system on /dev/rvnd0d :
dd if=/dev/zero of=bigdisk.2048.udf seek=9999999 count=1 vnconfig -c vnd0 bigdisk.2048.udf 2048/1/1/1 newfs_udf -L bigdisk /dev/rvnd0d
Create a 2 GiB file and create a new UDF file system on it using the default 512 byte sector size :
newfs_udf -L bigdisk2 -F -s 2G bigdisk2.iso
Create a 200 MiB file and create a new UDF file system on it using a sector size of 2048 :
newfs_udf -L bigdisk2 -F -s 200M -S 2048 bigdisk3.iso
Create a new UDF file system on the inserted USB stick using its native sectorsize of 512 :
newfs_udf -L "My USB stick" /dev/rsd0d
newfs_udf command first appeared in
  NetBSD 5.0.
| August 2, 2013 | NetBSD 10.0 |