The correct answer is; To save any work or data that they may have been working on. The command that needs to be given is "shutdown -h +15 It is time for a shutdown!"
Further Explanation:
By giving employees time to save their data and work, this helps with employee relations. If the system is shut down without notice, the employees could lose hours or even a whole days work. It is important that they are told in advance. Many companies will send an internal message or email and this will inform all employees of the shut down time and date.
Employers may also shut down systems for generator testing and will give a specific time frame for this also. This allows for all computers to be shut down and no work lost.
Learn more about system maintenance at https://brainly.com/question/5092577
#LearnwithBrainly
