You can execute DOS or Windows commands from your SAS session either asynchronously or synchronously. When you run a command as an asynchronous task, the command executes independently of all other ...
FreeDOS is an operating system that can run MS-DOS programs natively and will appeal more to enthusiasts. DOSBox is an ...
Before Microsoft had Office, before it had Windows, it had an operating system called MS DOS. MS DOS was a command-line operating system, meaning you had to memorize a lot of commands and type them ...
TL;DR: Microsoft will likely never release the original source code of Windows into the wild, but the company is clearly interested in sharing important episodes of its software development history.