cdrkit

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cdrkit
[[Programmer|DeveloperTemplate:Pluralize from text]]Debian Project
Template:Infobox software/simple
Operating systemUnix-like
TypeCD/DVD-writing
LicenseGPL version 2
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cdrkit is a collection of computer programs for CD and DVD authoring that work on Unix-like systems. cdrkit is released under the GNU General Public License version 2. Fedora, Gentoo Linux, Mandriva Linux, and Ubuntu all include cdrkit. Joerg Jaspert is cdrkit's leader and release manager.

It was created in 2006 by Debian developers as a fork of cdrtools based on the last GPL-licensed version when cdrtools licensing changed.[1]

Major components of cdrkit include:

Features

The cdrkit includes many features for CD and DVD writing, such as

  • creation of audio, data, and mixed (audio and data) CDs
  • burning CD-R, CD-RW, DVD-R.
  • usage without root identity is possible in many cases, some device drivers still may fail, show unexplainable problems[2]
  • can use device node instead of SCSI ID numbers on Linux[2]
  • Creation of disc images with ISO9660, with optional Rock Ridge and Joliet extensions, and optionally with UDF 1.02 to support files beyond 4 GiB.
  • genisoimage can calculate the size of a disk image without having to create one, using the -print-size option.[3]
  • Preservation of the last modified date and time attributes of files and folders, which can be seen in file managers. This applies if genisoimage or growisofs are invoked directly as a command line. Third-party tools such as k3b that invoke cdrkit might not preserve this attribute.

The -allow-limited-size option makes it possible to add files whose size exceeds 4 GiB (232 bytes) using the Universal Disk Format (UDF) to an image (or a disc, if invoked from growisofs). It automatically enables -udf. However, the correct sizes of files exceeding 4 GiB are only represented in the UDF file tree, not in ISO9660, therefore such files are only fully accessible while the file system is mounted as UDF. When mounted as ISO9660, only the first 4 GiB of any file that exceeds this size are accessible. The ISO9660 feature that would allow for exceeding the 4 GiB size limitation using multiple entries with the same file name has not yet been implemented.[4]

genisoimage is different from file archival utilities like tar in that it places the files and folders from the specified parent directory directly in the root directory of the disc image, not inside a directory with the name of the parent directory.

Front-ends

Other software can use cdrkit tools in the back-end. cdrkit tools will maintain interface compatibility with cdrtools 2.01.01a08 at least for the near future.[5] Numerous programs can therefore use it, including the growisofs command-line utility and graphical tools like Brasero (the default GNOME Desktop CD/DVD application), K3b (the default KDE desktop application), and X-CD-Roast (desktop environment independent).

History

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A license dispute arose between the Debian maintainers and the (since deceased)[6] cdrtools author Jörg Schilling.[7] The Debian developers said that the GPL license is not compatible with the CDDL license that covers part of the cdrtools code.[7] In contrast, cdrtools maintainer Jörg Schilling stated that there is no problem with the license,[8] and also felt that the Debian fork is not legally redistributable.[9] The Red Hat legal team differed with Schilling's position, saying that he has not provided them with any proof of either license or copyright violation in cdrkit.[10]

Schilling also said that the cdrkit fork reintroduced various bugs from the first versions of cdrtools, which were already fixed in later cdrtools versions.[11] Debian developers considered that some of these changes were necessary to solve existing problems, rather than being bugs.[12]

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References

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  1. ^ Page Module:Citation/CS1/styles.css has no content."cdrkit (fork of cdrtools) uploaded to Debian, please test". Retrieved 16 August 2011.
  2. ^ a b Page Module:Citation/CS1/styles.css has no content."wodim(1): data to optical disk media - Linux man page". linux.die.net. Retrieved 2015-11-25.
  3. ^ genisoimage(1) - Linux man page - -print-size
  4. ^ genisoimage(1) - Linux man page - -allow-limited-size. (Note: The manual erroneously states 2 GiB instead of 4 GiB.)
  5. ^ Page Module:Citation/CS1/styles.css has no content."cdrkit - portable command-line CD/DVD recorder software". Retrieved 2008-09-22.
  6. ^ Page Module:Citation/CS1/styles.css has no content."RIP Jörg Schilling". Archived from the original on 2023-01-02. Retrieved 2021-10-15. I have received message from his family that Jörg Schilling has passed away
  7. ^ a b Page Module:Citation/CS1/styles.css has no content."Debian Bug report logs - #377109".
  8. ^ Page Module:Citation/CS1/styles.css has no content."There is no license problem in the original cdrtools". Retrieved 16 August 2011.
  9. ^ Page Module:Citation/CS1/styles.css has no content."The Debian fork violates the GPL and the copyright law". Retrieved 16 August 2011.
  10. ^ Page Module:Citation/CS1/styles.css has no content."Legal CD/DVD/BD writing software for Red Hat and Fedora". Retrieved 2 September 2015.
  11. ^ Page Module:Citation/CS1/styles.css has no content."What are the problems when running programs from the broken fork?". Retrieved 16 August 2011.
  12. ^ Page Module:Citation/CS1/styles.css has no content."Debian Bug report logs - #361450". Retrieved 2 September 2015.

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