Compact Disc File System

{{Short description|CD-ROM file system}}

{{confused|ISO 9660}}

The Compact Disc File System (CDFS) is a file system for read-only and write-once CD-ROMs developed by Simson Garfinkel and J. Spencer Love at the MIT Media Lab between 1985 and 1986.{{cite news|title=A File System for Write-Once Media|author=Simson L. Garfinkel|publisher=MIT Media Lab| date=September 1986 |url=http://simson.net/clips/academic/1986.CDFS.pdf}} The file system provided for the creation, modification, renaming and deletion of files and directories on a write-once media. The file system was developed with a write-once CD-ROM simulator and was used to master one of the first CD-ROMs in 1986. CDFS was never sold, but its source code was published on the Internet and the CD-ROMs were distributed to Media Lab sponsors. The file system is the basis of WOFS (Write-once File System),{{cite journal|title=Designing a Write-once File System|journal=Dr. Dobb's Journal|author=Simson L. Garfinkel|year=1991|url=http://simson.net/clips/1991/1991.DDJ.WOFS.pdf}} sold by N/Hance systems in 1989.