# msg > Send a message to a specific user or session. > More information: . - Send a message to a specified user or session: `msg {{username|session_name|session_id}} {{message}}` - Send a message from `stdin`: `echo "{{message}}" | msg {{username|session_name|session_id}}` - Send a message to a specific server: `msg /server:{{server_name}} {{username|session_name|session_id}}` - Send a message to all users of the current machine: `msg *` - Set a delay in seconds for a message: `msg /time:{{10}}`