The System #1 by Peter Kuper

The System #1 by Peter Kuper

By Peter Kuper

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A program used to determine the users on a Linux server and what they are doing c. the lowest layer or branch of security, because you must work your way up in levels of security to prove to a UNIX/Linux system that you have the skills to be an administrator d. the administrative account that has complete access to a UNIX/Linux system 11. In your document files, you often put the date you created the file and the date you last modified it in the last two lines of the file. What command can you use to look at only the last two lines of the file, called project?

A. SUSE b. BSD c. TurboUNIX d. System V 7. Which shell is used by Linux as the default command interpreter? a. Bash shell b. Korn shell c. Bourne shell d. C shell 8. You need to type in a line of text to the end of a file called Annual_Report. Which of the following commands enables you to add the text? a. add = Annual_Report b. append < Annual_Report c. cat >> Annual_Report d. append @ Annual_Report 9. SSH can be used to . a. analyze the security on a UNIX or Linux computer b. log in remotely to another computer on a network c.

5. Provide a user name and password to log in to the remote UNIX/Linux computer. Secure Shell (SSH) was developed for UNIX/Linux systems to provide authentication security for TCP/IP applications, such as FTP and Telnet. Historically, the authentication for these applications has largely consisted of providing an unencrypted account and password, making both extremely vulnerable. SSH applies modern security techniques to ensure the authentication of a communications session. SSH can encrypt communications as they go across a network or the Internet.

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