In earlier versions of MS-DOS - I want to say version 7, but I could be wrong - there was a deltree command, which recursively deleted all subdirectories and fi
Actually RMDIR and RD commands in modern Windows operating system merge both the commands RD and Deltree of Win 98 in a single command. It's an internal command that's why you won't find any RD.exe and RMDIR.exe.
By typing this "RD /?" in cmd without double qoutes you'll get exactly what you want.