In Windows 7, the MSG command is primarily designed for sending messages to individual users on the local network. However, to broadcast messages to all machines on the network, you can try the following workaround: 1. Workaround using MSG: - As the MSG command doesn't have a built-in broadcast option, you can automate the process using a batch script to send messages to multiple machines. - Create a batch script that reads a list of computer names from a file and then sends a message to each one using MSG. 2. Alternative Tools: - PsExec: PsExec is a command-line tool that allows you to run commands on remote machines, including sending messages. It's part of the PsTools suite provided by Microsoft Sysinternals. - You...