DFS

DFS can refer to several things.

Computing, Engineering and Mathematics

File systems

• DCE Distributed File System (DCE/DFS)
• Disc Filing System, a filesystem developed by Acorn Computers
• Distributed file system, a method of storing persistent data over computer network
• Distributed File System (Microsoft), a set of client and server services that allow an organization using Microsoft Windows servers to organize many distributed SMB file shares into a distributed file system

Quantum Computing

• Decoherence-free subspaces, subspace of a system's Hilbert space where the system is decoupled from the environment

Engineering

• Definitive Feasibility Study, a stage of engineering project development
• Design for service, a type of 'Design for X', an engineering methodology
• DFS-Kopernikus: a series of satellites
• Digital Frequency Synthesizer, generation of different frequency from another in phase
• Discrete Fourier Series, the discrete version of Fourier series
• Dynamic frequency scaling, a method for reducing a microprocessor's power consumption
• Dynamic Frequency Selection: part of the IEEE 802.11h wireless standard
• Detailed Functional Specifications: The functional design specifications for new software before it is developed

Algorithm

• Depth-first search algorithm, a part of graph theory

Organizations and companies

Education

• Department of financial studies, University of Delhi, Delhi, India.

Germany

• Deutsche Flugsicherung, the German air traffic control organisation
• Deutsche Forschungsanstalt für Segelflug (German Research Institute for Sailplane Flight), developers of the "DFS brake" for gliders.

Other countries

• Dancer Fitzgerald Sample, a defunct advertising agency, now known as Saatchi & Saatchi.
• Dell Financial Services
• Department of Family Services
• DFS Galleria: A Hong Kong-based retailer (part of LVMH) operating duty-free shops
• DFS (British retailer): furniture retailer
• Dirección Federal de Seguridad, Federal Direction of Security in Mexico
• Discover Financial Services, which offers the Discover Card
• DSM Food Specialties

Other

• Department of Field Support (UN Peacekeeping)
• Disease-free survival, in medicine, a measure of the efficacy of treatment of e.g. cancer
• Duty-free shop
• Dynamic-force spectroscopy
• Dragon's Friendly Society, a publishing company set up by Oliver Postgate in 2000
• DFS (CDMA Tool) - informal management and diagnostic tool for Qualcomm based devices
• DFS Dorland - The Program Exchange