DeskMate was an operating environment that competed with early versions of Microsoft Windows. It originally was made for Tandy's TRS-DOS Operating System and for their TRS-80 line of computers, but eventually shifted to PC. Like Windows (and other competitors from the time, such as GEM), it was not a full operating system, requiring MS-DOS to function. Deskmate was written by Tandy for their early PC-compatible computers, and later made available for other compatibles. DeskMate version 1.0 was included with the original Tandy 1000 and did not work correctly on non-Tandy computers. // Microsoft Windows is a range of operating environments for personal computers and servers. ... TRS-DOS was the Disk Operating System for the Tandy TRS-80 line of 8-bit Z-80 micro-computers that were sold through Radio Shack through the late 1970s and early 1980s. ... A TRS-80 Color Computer 2 TRS-80 (also affectionately or derisively known as the Trash-80) was the designation for several lines of microcomputer systems produced by the Tandy Corporation and sold through its Radio Shack stores in the late-1970s and 1980s. ... GEM redirects here. ... Microsofts disk operating system, MS-DOS, was Microsofts implementation of DOS, which was the first popular operating system for the IBM PC, and until recently, was widely used on the PC compatible platform. ... Tandy Corporation is the former name of the parent company of RadioShack Corporation, a Fort Worth-based company best known for its RadioShack electronics stores. ... One of the first PCs from IBM - the IBM PC model 5150. ... A Tandy 1000 machine The Tandy 1000 was a line of more or less IBM PC compatible home computer systems produced by the Tandy Corporation for sale in its Radio Shack chain of stores. ...