Discusses Command-Line Switches and How They are Used in DOS. A Microsoft Self-Extractor package is a self-extracting f14jzhn34o.cf) file. If you run f14jzhn34o.cf file from a command line, several switches may be. Command line arguments are just values that are passed to an executable file a program from a command line (also known as the "DOS prompt" in Windows). In this tutorial we will explore the MS-DOS commands and learn about switches and parameters. These commands are used in both the command line interface, .