DF

DF or df may stand for:

Geography and politics

Distrito Federal (disambiguation) or Federal District in two countries:
- Mexican Federal District
- Brazilian Federal District
Danish People's Party (Dansk Folkeparti)

In computers

df, a Unix command to report disk space usage by filesystem
Direction flag, a flag stored in the FLAGS register on all x86 compatible CPUs
Dwarf Fortress, a sandbox-style computer game with world simulation and city-building elements, at current state focusing on dwarven civilization
DeFRaG, a computer game modification
DragonFable, a game by Artix Entertainment

Sciences and technology

Density function, a mathematical function which has a wide range of applications such as in the study of macromolecular structure
Methylphosphonyl difluoride, a chemical weapons precursor listed in schedule 1 of the Chemical Weapons Convention
the chemical formula for deuterium fluoride: see for example deuterium fluoride laser
Direction finding, a technique used to locate radio transmitters

Other

Defender (association football)
Disney Friends, video game
Degrees of freedom (disambiguation), various measures
Delta Force
Dead Frontier, a free browser-based top down third person 3D survival horror MMORPG set in an open world

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