Exam LFCS topic 1 question 14 discussion

Option D. wall is the command that will write a message to the terminals of all logged-in users. The wall command is used to send a message to all users who are currently logged in to the system. The message is displayed on the terminal of each user, regardless of what they are currently doing. To use the wall command, you can specify the message to be sent as an argument: wall "This is a message for all users" This will send the message "This is a message for all users" to the terminals of all logged-in users. Option A: The bcast command does not exist. Option B: The mesg command is used to control the ability of other users to send messages to your terminal using the write or talk commands. It does not send a message to all logged-in users. Option C: The print command is used to print files or the output of other commands to a printer or a file. It does not send a message to all logged-in users. Option E: The yell command does not exist.