Send Msg to Another User Via Command Prompt

Net Send Command

Net Send {name | * | /DOMAIN | /USERS} Message

Name Is the username, computer name, or messaging name to send the message to. If the name is a computer name that contains blank characters, enclose the alias in quotation marks (" ").

* Sends the message to all the names in your group.

/DOMAIN Sends the message to all the names in the workstation domain. If name is specified, the message is sent to all the names in the specified domain or workgroup.

/USERS Sends the message to all users connected to the server.

Message Is text to be sent as a message.