---
name: "mkudffs"
section: "1"
platform: "linux"
package: "udftools"
version: "1.0.0b3-14.3"
release: "Debian 8 (Jessie)"
platforms: ["linux"]
url: "https://new.carta.tech/mkudffs"
---

# mkudffs(1)

create an UDF filesystem

## NAME

mkudffs - create an UDF filesystem

## SYNOPSIS

**mkudffs \[ switches \]** *device* **\[** *blocks-count* **\]**

## DESCRIPTION

**mkudffs** is used to create a UDF filesystem on a device (usually a disk). *device* is the special file corresponding to the device (e.g */dev/hdX*). *blocks-count* is the number of blocks on the device. If omitted, **mkudffs** automagically figures the file system size.

## OPTIONS

- **--help**

  Display the usage and list of options.

- **-b,--blocksize=** *block-size*

  Specify the size of blocks in bytes. Valid block size vales are 1024, 2048 and 4096 bytes per block. If omitted, **mkudffs** block-size is 2048.

- **-r,--udfrev=** *udf-revision*

  Specify the udf revision to use. Valid revisions are 0x0201, 0x0200, 0x0150, and 0x0102. If omitted, **mkudffs** udf-revision is 0x0201.

- **--lvid=** *logical-volume-ident*

  Specify the logical volume identifier.

- **--vid=** *volume-ident*

  Specify the volume identifier.

- **--vsid=** *volume-set-ident*

  Specify the volume set identifier.

- **--fsid=** *file-set-ident*

  Specify the file set identifier.

- **--strategy=** *strategy*

  Specify the allocation strategy to use. Valid strategies are 4 and 4096. If omitted, **mkudffs** strategy is based on the *media-type*.

- **--spartable=** *spartable-number*

  Specify the number of sparing tables to write to disc. Valid numbers are 1 - 4. This option implies **--media-type=***cdrw***.**

- **--media-type=** *media-type*

  **Specify the media type. Valid media types are:**

  - **hd**

    **hard drive**

  - **dvd**

    **DVD (Digital Versatile Disc)**

  - **dvdram**

    **DVD-RAM (Digital Versatile Disc-Random Access Memory)**

  - **worm**

    **WORM (Write Once Ready Many)**

  - **mo**

    **MO (Magneto Optical)**

  - **cdrw**

    **CD-RW (CD Read-Write)**

- **--space=** *space*

  - **freedbitmap**

    **Freed bitmap**

  - **freedtable**

    **Freed table**

  - **unallocbitmap**

    **Unallocated bitmap**

  - **unalloctable**

    **Unallocated table**

- **--ad=** *ad*

  - **inicb**

    **Allocation Descriptors in ICB**

  - **short**

    **Short Allocation Descriptors**

  - **long**

    **Long Allocation Descriptors**

- **--noefe**

  **Don't Use Extended File Entries**

- **--u8**

  **Use 8-bit unicode for file names**

- **--u16**

  **Use 16-bit unicode for file names**

- **--utf8**

  **Use UTF-8 for file names**

## EXIT STATUS

**mkudffs** **returns 0 if successful, non-zero if there are problems.**

## AUTHOR

```
Ben Fennema <bfennema@falcon.csc.calpoly.edu>
```

## AVAILABILITY

**mkudffs** **is part of the udftools package and is available from** **http://linux-udf.sourceforge.net.**