The Compact Disc File System (CDFS) is a

file system In computing, file system or filesystem (often abbreviated to fs) is a method and data structure that the operating system uses to control how data is stored and retrieved. Without a file system, data placed in a storage medium would be one larg ...

for read-only and write-once

CD-ROM A CD-ROM (, compact disc read-only memory) is a type of read-only memory consisting of a pre-pressed optical compact disc that contains data. Computers can read—but not write or erase—CD-ROMs. Some CDs, called enhanced CDs, hold both comput ...

s developed by

Simson Garfinkel Simson L. Garfinkel (born 1965) is Senior Data Scientist at the Department of Homeland Security (DHS). He was formerly the US Census Bureau's Senior Computer Scientist for Confidentiality and Data Access. Previously, he was a computer scientist at ...

and J. Spencer Love at the MIT Media Lab between 1985 and 1986. 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 In computing, source code, or simply code, is any collection of code, with or without comments, written using a human-readable programming language, usually as plain text. The source code of a program is specially designed to facilitate the wo ...

was published on the

Internet The Internet (or internet) is the global system of interconnected computer networks that uses the Internet protocol suite (TCP/IP) to communicate between networks and devices. It is a '' network of networks'' that consists of private, pub ...

and the CD-ROMs were distributed to Media Lab sponsors. The file system is the basis of WOFS (Write-once File System), sold by N/Hance systems in 1989.

References

{{Filesystem Computer file systems Compact disc