Which of the following commands returns the actual number of times user mj is logged into your Linux computer?

You’re maintaining a large queue of print jobs on your network, and you need some job numbers to make sure the engineers get highest priority on the printer.Which of the following commands lists print job numbers?

Which of the following commands would you use to add the /usr/sbin directory to your PATH?

When you run the umask command, you see the following result: 0000.
The next time you create a file, what will be the permissions?

You’ve just added several new users by directly editing the /etc/passwd file. Which of the following things do you need to do to make sure that passwords are properly encrypted per the Shadow Password Suite?

You’ve logged in as a regular user. You’ve taken advice to heart to keep your use of the superuser account to a minimum. Which of the following commands would run a single program named rooter that requires superuser privileges and then automatically returns to the regular account?

In which of the following directories can you find scripts or links to scripts organized by runlevel?

Based on the following line from one of your users’ crontab file, when will the Berkeleylives program be run?
0 1 2 3 * Berkeleylives

Which of the following commands would you use to store the contents of /home in a compressed tarball?

Which of the following sets of numbers, in order, correspond to an appropriate network address, subnet mask, and broadcast address?