Multiple choice technology operating systems

Which command will you use to broadcast a message from a file?

  1. mesg

  2. talk

  3. wall

  4. write
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The 'wall' (write all) command is used in Unix-like systems to broadcast a message to all logged-in users. It can take input from a file to send its contents as a broadcast message. 'write' and 'talk' are for specific users.

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