What option can be used with the shutdown command to send a warning message alerting users that the system will be shut down?

You want to have the process /etc/myprocess run when the system enters run level 3.
Which of the following inittab entries would accomplish this?

You had a contractor come into your company. You originally set his account to expire after thirty days. You now need to change this. How can you do this?

You want there to be 3 grace days after a password expires before an account becomes disabled. How would you do this?

DNS provides ________ to IP address mappings.

Linux is a(n) _________ operating system, meaning the source code is freely available.

You want to uninstall lilo. Which of the following would you do to accomplish this?

You want to view a listing of previously entered commands. What command would you use?

What syslog.conf facility represents kernel processes?

You want to add files to a previously created tar file. You want to replace existing files with newer files, how can you do this?