Web site: (not active)
Origin: Canada
Category: Desktop
Desktop environment: CLI
Architecture: TRS-80
Based on: independent
Wikipedia: NewDos/80
Media: Install
The last version | Released: 1980

NewDos/80 – an operating system that was developed by the Apparat company, after a system named NEWDOS had already been released, but the new one has a completely new source code and does not maintain direct compatibility with the original system, TRSDOS, produced by the Tandy Corporation company, although some data exchange between them is possible.

The TRS-80 Micro Computer System (TRS-80, later renamed the Model I to distinguish it from successors) is a desktop microcomputer launched in 1977 and sold by Tandy Corporation through their Radio Shack stores.

NEWDOS/80 was a third party Disk Operating System for the Radio Shack TRS-80 computer. Many owners of the Model I felt that the Operating System shipped by Radio Shack (TRSDOS) was somewhat limited and were looking for something with a few more features. NEWDOS/80 filled that need, another popular choice at the time was LS-DOS.

NEWDOS/80 was sold by Aparat, Inc. based in Denver, Colorado. Version 2.0 was released in August of 1981 and ran on the TRS-80 Model I and Model III.

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