How to use the wall command
In this Linux tip, we’re going to look at the wall command. The name is short for “write all” and it provides a way for messages to be sent to all logged in users. On some Linux systems (like Fedora), this requires the use of sudo.
Communicating with other users on the Linux command line https://www.networkworld.com/article/...
How to use the wall command
https://www.networkworld.com/video/66...
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