You want to change the aging information in the /etc/shadow file. What is the best utility to use to
do this?

You’ve been reviewing your security checklist and one of the items calls for reviewing the
/etc/passwd file. You cat the file and notice that, while most users have an x in the second column,
a few have a 14 character string in the second column. What action, if any, should you take?

You’ve decided to convert from standard shadow passwords to MD5 passwords. You make the
appropriate changes to the /etc/pam.d/ files. What do you do next?

CORRECT TEXT
If you need to view per-user disk space usage on a filesystem, the ______ command can provide
that information if the kernel is built to support it.

What is a well-known service that binds port 25 and is it required on all hosts?

How many cron fields are there for specifying the time to execute a cron job?

What command will unload a kernel module?

When preparing to compile a new kernel, which of the following commands can be used to create
the configuration file?

Which of the following could be used to load kernel modules for a 2.4.x kernel?

You have just recompiled a new kernel and rebooted your system with the new kernel.
Unfortunately you are getting “Can’t locate module” error messages. Which of the following is most

likely to be the source of the problem?