Starting Command Prompt window in Windows 2000 and XP. From this point on, the MSDOS Prompt window and the Command Prompt window will be referred to as the DOS window. When the DOS window is opened, you will be located in a subdirectory on the hard drive. Your prompt may look like this: C:\WINDOWS�. The DOS prompt provides vital information. The C: tells us we are on the C drive. The \WINDOWS tells us we are in the Windows subdirectory. We want to work from the root directory of the computer’s