TDOS
| Acronym | Definition |
|---|---|
| TDOS | Tape and Disk Operating System |
| TDOS | Tennessee Department of Safety |
| TDOS | Totnes & Dartington Open Studios (est. 2000; UK) |
| TDOS | The Day of Sagittarius (video game) |
| TDOS | Tape/Disk Operating System |
| TDOS | Total Density of State (physics) |
| TDOS | Targeted Denial of Service |