Provides online information about system commands (that is, non-network commands). Used without parameters, help lists and briefly describes every system command.


{help [command]|[command]/?}


command : Specifies the name of the command about which you want information.


There are two ways to get online Help for a command. You can type help command, or you can type command /?. /? is slightly faster.

For information about network commands, click net help in Related Topics.


To see information about the xcopy command, type either of the following:

help xcopy
xcopy /?

Formatting legend



Information that the user must supply


Elements that the user must type exactly as shown

Ellipsis (...)

Parameter that can be repeated several times in a command line

Between brackets ([])

Optional items

Between braces ({}); choices separated by pipe (|). Example: {even|odd}

Set of choices from which the user must choose only one

Courier font

Code or program output

Net help

Command-line reference A-Z

© 2017 Microsoft Corporation. All rights reserved. Contact Us |Terms of Use |Trademarks |Privacy & Cookies