Type it when you're at the DOS (command prompt) screen. To go to "command prompt screen", click Start/All Programs/Accessories/Command Prompt or type in COMMAND at Start/Run.
Example: When you're at "command prompt" screen:
DIR /? to display Help on the DIR command
COPY /? to display Help on the COPY command
Regards,
What does command line syntax error. type command/? for help mean? Where do you type?

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