NewDos/80
              < NewDos 
 
            
          | Developer | Apparat, Inc. | 
|---|---|
| Working state | Historic | 
| Source model | Closed source | 
| Initial release | 1980 | 
| Available in | English | 
| Platforms | TRS-80 | 
| Kernel type | Monolithic | 
| Default user interface | Command-line interface | 
NewDos/80 is a third-party operating system for the Radio Shack TRS-80 line of microcomputers released in 1980. NewDos/80 was developed by Apparat, Inc., of Denver, Colorado. NewDos/80 version 2.0 was released in August 1981. It ran on the TRS-80 Model I and Model III.