| Developer | Microsoft |
|---|---|
| Written in | PL/M (BIOS) |
| OS family | MS-DOS |
| Working state | Historic, Unsupported |
| Available in | English |
| Package manager | N/A |
| Platforms | Intel 8088, Zenith Z-100 |
| Default user interface | Command-line interface |
| License | Proprietary |
Z-DOS is a discontinued OEM version of Microsoft's MS-DOS specifically adapted to run on the hardware of the Zenith Z-100 personal computer.[citation needed]