Final answer:
To shut down the system with a 15-minute delay before shutting down the server and sending a message to all logged-in users, you can use a script or program that initiates the shutdown process after a specified delay and includes a command to send a message to all users.
Step-by-step explanation:
To shut down the system with a 15-minute delay before shutting down the server and sending a message to all logged-in users, you can use the following steps:
- Write a script or program that will initiate the shutdown process after a specified delay. You can use a programming language like Python, PowerShell, or Bash to achieve this.
- In the script, include a command that will send a message to all logged-in users. This can be done by broadcasting a message to all terminals or sending an email/notification to all active users.
Combining these steps will allow you to shut down the system with a delay and notify all logged-in users before the shutdown.