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201-450 Exam - Question 3


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What command is used to send messages to all users currently logged in? (Specify ONLY the command without any path or parameters.)

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Correct Answer:

The command used to send messages to all users currently logged in is 'wall'. The 'wall' command allows the system administrator to broadcast a message or the contents of a file to all logged-in users' terminals. The command sends the specified message to all users who are logged in to the system and have writable terminals.

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milan92stankovic
Jan 15, 2021

wall - 100%

WoodooMalibu
Apr 13, 2022

DESCRIPTION wall displays a message, or the contents of a file, or otherwise its standard input, on the terminals of all currently logged in users.

serlan
Nov 15, 2022

it is: wall

debloid
Jul 16, 2024

It is command wall. Example: # wall "Hello Word" Mensagem de broadcast de root@ubuntul-pi2 (pts/4) (Tue Jul 16 07:10:27 2024): Hello Word