> There's a reason why DOS stands for Disk Operating System. :) This is a retronym. Before purchased by Microsoft, DOS was developed by Seattle Computer Produc

> There's a reason why DOS stands for Disk Operating System. :) This is a retronym. Before purchased by Microsoft, DOS was developed by Seattle Computer Products under the name QDOS (Quick and Dirty Operating System). This was changed by Microsoft to MS-DOS with a changed meaning of "DOS".