To use MS-DOS, you needed to memorize typed commands that didn’t immediately make sense if you weren’t already used to them. In the early 1980s, IBM PC compatible computers were not very user-friendly. It made its PCs easier to use and competed with Windows. released a graphical user interface called DeskMate that shipped with its TRS-80 and Tandy personal computers. In the 1980s, Radio Shack parent Tandy Corp.
