| Abbreviation | Definition |
|---|---|
| FDG | File Description Groups |
| FDM | Fused Data Medium |
| FDO | Form Display Operation |
| FDPD | Forceful Database Prototype Design |
| FDS | Fedora Directory Server |
| FDS | Flight Document System |
| FDT | Fundamental Data Type |
| FE | Free Entry |
| FEDB | Flight Execution Data Base |
| FEDB | Front End Database |
| FESD | Functional Element SNPs Database |
| FFID | Flush Force Information Database |
| FFS | Fixed File System |
| FGAC | Fine Grained Access Control |
| FGD | FeelMath GeoDict Database |
| FGDB | File Geo Database |
| FH | File Handle |
| FHS | Filesystem Heirarchy Standard |
| FIB | File Identification Block |
| FID | File Identifier |