| Subject | English | Thesaurus |
| IT, abbr. | Data Facility Distributed Storage Management | DFDSM (IBM) |
| abbr., file.ext. | Data Facility Storage Management Subsystem | DFSMS (IBM) |
| comp., abbr. | Data Facility Storage Management Subsystem | DFSMS |
| IT, abbr. | Distributed Management Data Facility | DMDF (DCE, DME) |