Guide To Unix Chp. 1 Review Questions

Front 1

Your boss drops by your office in a hurry to ask you to attend a meeting at 10:30 on
Friday morning and you can’t find a pen to make a note as a reminder. What Linux
command can you use to make a quick note to store in a file called Meeting?

Back 1

cat > Meeting

Front 2

Before you make the note in Question 1, you decide to determine Friday’s date, so
that you can include it in your note. What Linux command can you use to quickly
determine Friday’s date?

Back 2

cal

Front 3

While you are typing a command, you misspell the name of a file you want to
specify with the command. Which of the following command-line key combinations
enables you to go back and fix your error?

Back 3

Ctrl+b

Front 4

You haven’t changed your user account password for several months and now decide
to create a new password. Which of the following commands should you use?

Back 4

passwd

Front 5

You have forgotten the purpose of the -n option in the cat command. Which of the
following can you enter at the Linux command line to find out what the -n option
does when used with cat?

Back 5

man cat

Front 6

Which of the following is the UNIX distribution originally developed through
AT&T Bell Labs?

Back 6

SystemV

Front 7

Which shell is used by Linux as the default command interpreter?

Back 7

Bash shell

Front 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?

Back 8

cat >> Annual_Report

Front 9

SSH can be used to _____________ .

Back 9

log in remotely to another computer on a network

Front 10

This is your first day on the job as a Linux server administrator and your boss gives
you the password for root. What is root?

Back 10

the administrative account that has complete access to a UNIX/Linux system

Front 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?

Back 11

tail -n 2 project

Front 12

You are working with a new colleague who has entered the man command, but who
does not know how to end the man session to return to the regular command
prompt. What keystrokes do you show your colleague to end the man session?

Back 12

q

Front 13

Which of the following are examples of Linux distributions?

Back 13

SUSE Linux Enterprise
Mandriva
Fedora
Red Hat Enterprise Linux

Front 14

Which of the following commands enable you to view the contents of a file?

Back 14

less
cat

Front 15

When you enter the who command, what information do you see?

Back 15

the users on the local system;
a listing of all authorized users on a system, regardless of whether or not they are
logged in

Front 16

You have been entering lots of commands and now your terminal window is cluttered
will all kinds of activity. What command can you use to clear your window of
the clutter?

Back 16

clear

Front 17

You share a Linux computer with a coworker. What is the best way to exit your
UNIX or Linux session when you are done?

Back 17

Use a GUI menu option to log out or enter an appropriate command for the shell
you are using, such as exit or logout (if there is no GUI desktop in use).

Front 18

You work at a law firm with eight other people. All of the eight computers on the
firm’s network use wireless connections to communicate with one another without a
server. This is an example of which of the following?

Back 18

a peer-to-peer network

Front 19

On which of the following types of computers might you find a UNIX or Linux
operating system?

Back 19

a mainframe computer;
a desktop PC;
a server;
a workstation used for scientific research

Front 20

You’re in a hurry and have just executed a command to print the contents of a file,
and you decide you want another copy of the printout. What key sequence can you
use to repeat the last command, which was used to print the file?

Back 20

Press the up arrow key one time.

Front 21

Your international company is scheduling a meeting among managers in Canada, the
United States, Spain, Sweden, and Hong Kong on the basis of Greenwich Mean
Time (GMT). What command enables you to display the current time in GMT?

Back 21

date -u

Front 22

How would you describe the purpose of the more command?

Back 22

Displays a long file one screen at a time; you can use it scroll through as well

Front 23

What is the purpose of Telnet?

Back 23

It is an Internet Terminal emulation program

Front 24

You enter Cal on the command line to view a calendar but only see an error
message. Explain why you got the error message.

Back 24

it case-sensitive; it must all be lowercase

Front 25

Explain how you can run more than one command on a single command line.

Back 25

Put semicolons ; between each command