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The command echo $!
will produce what output?

After a minor security incident you are instructed by your lead sys-admin to verify the RPM's installed on running system.

Which command will create a complete report which you can analyze for changes which may be security related?

Which command is used to dump files in octal format?

Which of the following commands will print the first few lines of a text file to the shell?

Which of the following commands can be used to locate programs and their corresponding man pages and configuration files?

FILL BLANK

What option, when passed to the yum command, will update the entire system? (Specify ONLY the option name with no additional parameters)

You have not run apt-get on a system for some time, but it has been run on the system before.

What apt-get command would you run to download the latest list of packages, but not the packages themselves?

The sticky bit is usually set on

Which TWO runlevels should never be declared as the default runlevel?

FILL BLANK

In a networked environment, what command will grant anybody permission to display their X applications on a desktop? (Include both the command and argument(s).)