8. Create a file called month containing the current month. 9. View the contents of the month file you created in Exercise 8. 10. Use the who command to determine the idle time for users currently logged in, but output that information to a file called users_info. Next, view the file you created. Chapter 1 The Essence of UNIX and Linux 11. View the files, month and users_info, in sequence using only one command-line sequence of commands.

Your company has suffered a security breach, and it seems that unauthorized individuals have gained access to some sensitive customer information. You don't know whether the problem was internal or external. When monitoring your network traffic, keep the following in mind: Describe the kind of traffic you'll look at to figure out who's behind the attack.

Is there anything you can tell me about the limitations of the Tor network?

Network administrators at colleges and universities need to choose the proper NAT technique. Make it clear what you're looking for.