A script for sending messages to all logged-in users

All users who are logged in will receive the message using the wall command:

  1. Write the script here_06.sh:
# wall utility is used for sending message to all logged in users 
wall << End_Of_Message 
Tomorrow, on Friday evening, we will be celebrating 
Birthday of few of our colleagues. 
All are requested to be present in cafeteria by 3.30 PM. 
echo "Message sent"
  1. Save the file, give the permission to execute, and run the script as follows:
    $ chmod u+x here_06.sh
    $ ./here_06.sh

The wall command is used to send messages to the logged-in users. All users that are logged in will receive the message.

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