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Which of the following command addresses all users who are currently...

This question belongs to Computer Science Unix
Unix
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Which of the following command addresses all users who are currently hooked on?

Answer & Solution
Correct Answer: Option C
In Unix, the wall command is used to send a message to all users who are currently logged in. It stands for "write all". This command sends a message to all terminals except those who have disabled messages using the mesg command.
So, wall is the command that addresses all users who are currently hooked on.
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