wall
Write a message on the terminals of users currently logged in. More information: https://manned.org/wall.
-
Send a message:
wall {{message}} -
Send a message to users that belong to a specific group:
wall --group {{group_name}} {{message}} -
Send a message from a file:
wall {{file}} -
Send a message with timeout (default 300):
wall --timeout {{seconds}} {{file}}
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