After installing and configuring Xfree86, you notice that when you start X, the display is not centered. What
program can you run to find a better modeline setting?
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?
You have created a really long letter and after you are done, you notice that you used the name "Bob" many
times but your forgot to capitalize it in many instances. Which command would you replace "bob" with "Bob"
in all instances and generate a new letter for printing?