dvd+rw-tools (also known as growisofs, its main part) is a collection of

open-source Open source is source code that is made freely available for possible modification and redistribution. Products include permission to use the source code, design documents, or content of the product. The open-source model is a decentralized sof ...

DVD The DVD (common abbreviation for Digital Video Disc or Digital Versatile Disc) is a digital optical disc data storage format. It was invented and developed in 1995 and first released on November 1, 1996, in Japan. The medium can store any kin ...

and

Blu-ray Disc The Blu-ray Disc (BD), often known simply as Blu-ray, is a Digital media, digital optical disc data storage format. It was invented and developed in 2005 and released on June 20, 2006 worldwide. It is designed to supersede the DVD format, and c ...

tools for

Linux Linux ( or ) is a family of open-source Unix-like operating systems based on the Linux kernel, an operating system kernel first released on September 17, 1991, by Linus Torvalds. Linux is typically packaged as a Linux distribution, which ...

OpenBSD OpenBSD is a security-focused, free and open-source, Unix-like operating system based on the Berkeley Software Distribution (BSD). Theo de Raadt created OpenBSD in 1995 by forking NetBSD 1.0. According to the website, the OpenBSD project em ...

NetBSD NetBSD is a free and open-source Unix operating system based on the Berkeley Software Distribution (BSD). It was the first open-source BSD descendant officially released after 386BSD was forked. It continues to be actively developed and is a ...

FreeBSD FreeBSD is a free and open-source Unix-like operating system descended from the Berkeley Software Distribution (BSD), which was based on Research Unix. The first version of FreeBSD was released in 1993. In 2005, FreeBSD was the most popular ...

Solaris Solaris may refer to: Arts and entertainment Literature, television and film * ''Solaris'' (novel), a 1961 science fiction novel by Stanisław Lem ** ''Solaris'' (1968 film), directed by Boris Nirenburg ** ''Solaris'' (1972 film), directed by ...

HP-UX HP-UX (from "Hewlett Packard Unix") is Hewlett Packard Enterprise's proprietary implementation of the Unix operating system, based on Unix System V (initially System III) and first released in 1984. Current versions support HPE Integrity Ser ...

IRIX IRIX ( ) is a discontinued operating system developed by Silicon Graphics (SGI) to run on the company's proprietary MIPS workstations and servers. It is based on UNIX System V with BSD extensions. In IRIX, SGI originated the XFS file system and ...

Windows Windows is a group of several proprietary graphical operating system families developed and marketed by Microsoft. Each family caters to a certain sector of the computing industry. For example, Windows NT for consumers, Windows Server for serv ...

and

OS X macOS (; previously OS X and originally Mac OS X) is a Unix operating system developed and marketed by Apple Inc. since 2001. It is the primary operating system for Apple's Mac computers. Within the market of desktop and lapt ...

. dvd+rw-tools does not operate CD media. The package itself requires another program which is used to create

ISO 9660 ISO 9660 (also known as ECMA-119) is a file system for optical disc media. Being sold by the International Organization for Standardization (ISO) the file system is considered an international technical standard. Since the specification is av ...

images on the fly. This is provided by

mkisofs cdrtools (formerly known as cdrecord) is a collection of independent projects of free software/open source computer programs. The project was maintained for over two decades by Jörg Schilling, who died on October 10, 2021. Because of some ...

(from the

cdrtools cdrtools (formerly known as cdrecord) is a collection of independent projects of free software/open source computer programs. The project was maintained for over two decades by Jörg Schilling, who died on October 10, 2021. Because of some ...

package) or genisoimage (from the

cdrkit 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 (operating system), Fedora, Gentoo Linux, Mandriva Linux, and Ubuntu ( ...

package) or a symbolic link xorrisofs to xorriso (from the libisoburn or GNU xorriso package). Released under the

GNU General Public License The GNU General Public License (GNU GPL or simply GPL) is a series of widely used free software licenses that guarantee end users the Four Freedoms (Free software), four freedoms to run, study, share, and modify the software. The license was th ...

, dvd+rw-tools is

free software Free software or libre software is computer software distributed under terms that allow users to run the software for any purpose as well as to study, change, and distribute it and any adapted versions. Free software is a matter of liberty, no ...

Programs

* growisofs burns data to DVD or BD media. * dvd+rw-mediainfo reports about drive and medium status. * dvd+rw-format formats some types of media, blanks DVD-RW media. * dvd-ram-control controls Defect Management and write protection of DVD-RAM media. * dvd+rw-booktype sets the

Book Type The book type is a field of four bits at the start of every DVD (in the physical format information section of the control data block) that indicates what the physical format of the disc is. Many devices will use this field to determine how the d ...

property of DVD media.

growisofs

growisofs is a SCSI/MMC driver in userspace for burning optical media, like

cdrecord cdrtools (formerly known as cdrecord) is a collection of independent projects of free software/open source computer programs. The project was maintained for over two decades by Jörg Schilling, who died on October 10, 2021. Because of some ...

or libburn. Its original purpose is to coordinate burning with a run of mkisofs, so that ISO 9660 multi-session becomes possible on DVD+RW media. But soon it supported all kinds of DVD media and later also BD (Blu-ray) media. Further it can burn preformatted data images onto the media, not needing any ISO 9660 formatter program for this task. growisofs employs a

Ring Buffer In computer science, a circular buffer, circular queue, cyclic buffer or ring buffer is a data structure that uses a single, fixed-size buffer as if it were connected end-to-end. This structure lends itself easily to buffering data streams. Ther ...

in userspace to smoothen the data transmission to the drive. The fill level of this buffer is reported during a burn run as "RBU", whereas the fill level of the drive's built-in buffer is reported as "UBU".

References

External links

* Free optical disc authoring software Optical disc authoring software {{compsci-stub