Q30
Which of the following command addresses all users who are currently hooked on?
A.
write
B.
mail
C.
wall
AnswerD.
mesg
E.
None of the above
Answer: Option C
Solution
Answer: Option C
Solution:
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.