The Compact Disc File System (CDFS) is a file system 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 computer data storage, data computers can read, but not write or erase. Some CDs, called enhanced CDs, hold b ...

s developed by

Simson Garfinkel Simson L. Garfinkel (born 1965) is an American computer scientist. He is the Chief Scientist and Chief Operating Officer of BasisTech in Somerville, Massachusetts. He was previously a program scientist at AI2050, part of Schmidt Futures. He ...

and J. Spencer Love at the

MIT Media Lab The MIT Media Lab is a research laboratory at the Massachusetts Institute of Technology, growing out of MIT's Architecture Machine Group in the MIT School of Architecture and Planning, School of Architecture. Its research does not restrict to fi ...

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 or source, is a plain text computer program written in a programming language. A programmer writes the human readable source code to control the behavior of a computer. Since a computer, at base, only ...

was published on the

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

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