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CDemu is a free and open-source virtual drive software, designed to emulate an optical drive and optical disc (including CD-ROMs and DVD-ROMs) on the Linux operating system.. As of 30 June 2019, CDemu is not available in the official repositories of Debian, Ubuntu and Fedora Linux for any release, but it is available via official PPA for Ubuntu and COPR for Fedora Linux.
Most optical drives are backward compatible with their ancestors up to CD, although this is not required by standards. Compared to a CD's 1.2 mm layer of polycarbonate, a DVD's laser beam only has to penetrate 0.6 mm in order to reach the recording surface. This allows a DVD drive to focus the beam on a smaller spot size and to read smaller pits.
On dual-layer media, half-height optical drives released towards 2010, such as the 2007 TSSTcorp TS-H653B, [41] have adapted recording speeds of up to 16× on DVD+R DL media by selected vendors, compared to up to 12× on DVD-R DL. More recent optical drives have reduced their maximum allowable recording speed on both +R DL and -R DL media to 8 ...
cdrdao, open source software for authoring and ripping of CDs in Disk-At-Once mode; DVDStyler, a GUI-based DVD authoring tool; libburnia, a collection of command line-based tools and libraries for burning discs
Live File System lets users manage files on recordable and rewriteable optical discs inside the file manager with the familiar workflow known from mass storage media such as USB flash drives and external hard disk drives. Files can be added incrementally to the media, as well as modified, moved and deleted. [1] These discs use the UDF file ...
In practice, they are not spun by optical drives anywhere close to these speeds to provide a safety margin. DVD drives limit reading speed to 16× (constant angular velocity), which means 9280 rotations per minute. Early-generation drives released before the mid-2000s have lower limits. [73] [74] [75]
A LightScribe optical drive was used by Maher El-Kady, a graduate of UCLA in 2012 to successfully turn a specially prepared graphite oxide layer coated onto a DVD into graphene. [11] El-Kady and Richard Kaner, his lab professor, used an unmodified LightScribe drive. The disc was prepared by coating the disc with an aqueous solution of graphite ...
growisofs is a SCSI/MMC driver in userspace for burning optical media, like cdrecord or libburn.Its original purpose is to coordinate burning with a run of mkisofs or genisoimage (depending on repository), so that ISO 9660 multisession writing becomes possible on DVD+RW media, making it possible to add new files to a partially written disc with existing files.