Guide

Question 1

____ variables are used to store information about the setup of the operating system, and after they are set up, you typically do not change them.

Answer 1

A ) Global
B ) Environment
*C ) Configuration
D ) Shell

Question 2

The head and tail commands, allow you to view the first few or last few lines of a file (____ lines by default).

Answer 2

A ) five
*B ) ten
C ) fifteen
D ) twenty

Question 3

A program’s high-level language statements are stored in a file called the ____ file.

Answer 3

A ) shell
B ) script
C ) program
*D ) source

Question 4

When you use the du utility, file usage is expressed in the number of ____-byte blocks (default) or by the number of bytes (the -b option).

Answer 4

*A ) 512
B ) 1024
C ) 2048
D ) 4096

Question 5

What is the script that starts system services such as networking, printing, automated script execution, and many others?

Answer 5

A ) rc.sysinit
*B ) rc
C ) init
D ) rc.local

Question 6

The ____ is the prompt symbol traditionally associated with ordinary users.

Answer 6

*A ) dollar sign ($)
B ) pound sign (#)
C ) tilde (~)
D ) percent sign (%)

Question 7

Computer files containing nothing but printable characters are called ____ files.

Answer 7

*A ) text
B ) binary
C ) document
D ) ASCII

Question 8

Using the nice command without any options gives the process a nice level of ____.

Answer 8

A ) 0
B ) 5
*C ) 10
D ) 20

Question 9

In the Linux Bash shell, the ____ key combination deletes a word or consecutive characters.

Answer 9

A ) Ctrl+b
*B ) Alt+d
C ) Alt+l
D ) Ctrl+a

Question 10

The ____ command removes duplicate lines from a file.

Answer 10

A ) grep
B ) dup
*C ) uniq
D ) diff

Question 11

System administrators and programmers refer to standard output as ____.

Answer 11

A ) sout
B ) stout
*C ) stdout
D ) standardout

Question 12

You can start Emacs by entering the ____ command in the terminal window or at a command line in UNIX/Linux.

Answer 12

A ) e
B ) em
C ) emcs
*D ) emacs

Question 13

____gives the owner read, write, and execute permissions.

Answer 13

A ) chmod 155
B ) chmod 551
C ) chmod 577
*D ) chmod 755

Question 14

____ is a multifunction tool that enables you to manage openSUSE from one location.

Answer 14

A ) User Manager
*B ) YaST
C ) Control Panel
D ) MC

Question 15

The ____ directory contains configuration files that the system uses when the computer starts.

Answer 15

A ) /boot
B ) /bin
C ) /dev
*D ) /etc

Question 16

In KDE, there is a ____ that provides similar functions to the Panel in GNOME.

Answer 16

A ) K Menu
B ) Konsole
*C ) Kicker
D ) Konqueror

Question 17

How is the top command normally started?

Answer 17

*A ) top
B ) top -f
C ) top -o ps
D ) top z

Question 18

In Linux, the native file system is the ____, which is installed by default.

Answer 18

A ) ufs
*B ) ext fs
C ) ReiserFS
D ) jfs

Question 19

Currently, the ____ project, a joint effort of experts from industry, academia, and government, is working to standardize UNIX.

Answer 19

*A ) POSIX
B ) BSD
C ) ANSI
D ) Ubuntu

Question 20

Which run level is used for system maintenance, does not require logging in with a user name and password and does not provide networking capabilities?

Answer 20

A ) 0
*B ) 1
C ) 2
D ) 4

Question 21

A sorting ____ is a field position within each line.

Answer 21

A ) index
*B ) key
C ) column
D ) position

Question 22

In X Window terminology, the ____ provides the specific GUI appearance, software applications, and other resources that you use.

Answer 22

A ) theme
*B ) desktop
C ) Window Manager
D ) X client

Question 23

When processing the individual elements of an array, use the ____character.

Answer 23

A ) @
B ) #
*C ) $
D ) *

Question 24

When you assign a value to a variable, you might want to evaluate it by displaying its contents via a(n) ____ operator.

Answer 24

A ) definition
B ) echo
*C ) evaluating
D ) print

Question 25

____ variables are those you create at the command line or in a shell script.

Answer 25

A ) Global B ) Environment C ) Configuration *D ) Shell

Question 26

The ____ option to ps selects processes by PID number; to view information on a single process, enter its PID number as a value after the option.

Answer 26

A ) b B ) d *C ) p D ) r

Question 27

The cp ____ option creates a symbolic link or name at the destination rather than a physical file.

Answer 27

*A ) -s B ) -y C ) -l D ) -n

Question 28

The ____ utility maintains program source code.

Answer 28

*A ) make B ) patch C ) gcc D ) configure

Question 29

To refer to a single element of a hash, you use the $ character before the variable name, followed by the key associated with the value in ____.

Answer 29

A ) parentheses *B ) curly brackets C ) square brackets D ) angle brackets

Question 30

When you create a shell script to run in Bash, you can immediately run the script by typing ____and then the name of the script.

Answer 30

A ) run *B ) sh C ) start D ) exec

Question 31

____ is the ability to port software to more or less powerful machines.

Answer 31

*A ) Scalability B ) Extensibility C ) Portability D ) Exportability

Question 32

Scalar variable names begin with a(n) ____.

Answer 32

*A ) dollar sign ($) B ) asterisk (*) C ) pound sign (#) D ) exclamation sign (!)

Question 33

A ____ is used to refer to the user’s home directory.

Answer 33

A ) dot (.) B ) dollar sign ($) C ) forward slash (/) *D ) tilde (~)

Question 34

Fedora, Red Hat Enterprise Linux, SUSE, and Knoppix, recognize up to ____ characters in your user name.

Answer 34

A ) 8 B ) 16 *C ) 32 D ) 64

Question 35

The line in the script for setting the Bash shell is: ____.

Answer 35

*A ) #!/bin/bash B ) !#/bin/bash C ) #/bin/bash D ) !/bin/bash

Question 36

A ____ is a logic diagram that uses a set of standard symbols to visually explain the sequence of events from the start of a process to its end point.

Answer 36

*A ) flowchart B ) map C ) block chart D ) pseudocode

Question 37

A popular X server system for Windows-based PCs is ____ from Hummingbird Connectivity.

Answer 37

*A ) Exceed B ) X-Win32 C ) Cygwin D ) Putty

Question 38

____ is NOT a selection command.

Answer 38

A ) comm B ) diff C ) grep *D ) sed

Question 39

You can change the pattern of permission settings by using the ____ command.

Answer 39

A ) chperm *B ) chmod C ) chsec D ) chown

Question 40

The ____operator of the test command, combines two expressions and tests a logical OR relationship between them.

Answer 40

A ) | B ) || C ) -O /D ) -o

Question 41

A(n) ____ is a small application written specifically to be placed on the GNOME Panel.

Answer 41

A ) widget B ) gadget /C ) applet D ) icon

Question 42

The ____ command prints a listing of environment and configuration variables.

Answer 42

/A ) printenv B ) printvar C ) printf D ) bash

Question 43

A simple way to delete a record using ____is with the -d (delete) option.

Answer 43

A ) awk /B ) sed C ) test D ) tr

Question 44

To append output to an existing file, you use ____.

Answer 44

A ) > /B ) >> C ) < D ) <<

Question 45

The ____ shell, when compared to the other shells, has a more powerful programming interface.

Answer 45

A ) Bourne /B ) Bash C ) C D ) Korn

Question 46

To log out of UNIX/Linux (Bourne, Korn, or Bash shells) you can enter exit on the command line or press ____.

Answer 46

A ) Ctrl+l B ) Ctrl+g C ) Ctrl+x /D ) Ctrl+d

Question 47

You can use the ____ boot parameter to tell Linux how much memory you really have.

Answer 47

A ) vm B ) set memory /C ) mem= D ) vmem=

Question 48

____ are variables that store an ordered list of scalar values that are accessed with numeric subscripts, starting at zero.

Answer 48

A ) Strings /B ) Arrays C ) Lists D ) Hashes

Question 49

In the GNOME graphical process management tool, which processes are displayed by default?

Answer 49

/A ) All processes B ) Processes run by root C ) Processes in the current shell D ) Processes started in the last 20 minutes

Question 50

All of the files in the run level subdirectories of /etc/rc.d start with the letter ____.

Answer 50

A ) S /B ) S or K C ) K D ) R