| Abbreviation | Definition |
|---|---|
| DF | Disk Format |
| DF | Disk Fragmentation |
| DF | Disk Freespace |
| DFA | Definite Finite Automata |
| DFA | Deterministic Finite Automata |
| DFA | Deterministic Finite Automaton |
| DFA | Direct File Access |
| DFA | Disk First Aid |
| DFC | Distributed Coordination Function |
| DFD | Data From Drive |
| DFD | Default Free Deliveries |
| DFDSS | Data Facility Data Set Services |
| DFHSM | Data Facility Hierarchical Storage Manager |
| DFOL | Distributed First Order Logics |
| DFOL | Dynamic First Order Logic |
| DFP | Data Facility Product |
| DFP | Disk Fault Prediction |
| DFP | Disk Fault Protection |
| DFR | Document Filing and Retrival |
| DFS | Depth First Search |