Question 1

Logic structures supported by shell scripts include: sequential logic,decision logic,looping logic,and ____________________ logic.

Accepted Answer

case

Question 2

Logic structures are also called ____ structures.

Accepted Answer

A)  decision
B)  sequential
C)  control
D)  programming C

Question 3

What is looping logic?

Accepted Answer

In looping logic,a control structure (or loop)repeats until a specific condition exists or some action occurs.

Question 4

A ____ is a name consisting of letters,numbers,or characters and is used to reference the contents of a variable.

Accepted Answer

A)  comment
B)  symbolic name
C)  label
D)  tag

Question 5

With no options,____ displays the current listing of Bash environment and shell script variables.

Accepted Answer

A)  let
B)  set
C)  sh
D)  export

Question 6

____________________ are text files that contain sequences of UNIX-Linux commands.

Accepted Answer

The answer of ____________________ are text files that contain sequences...

Question 7

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

Accepted Answer

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

Question 8

The ____________________ variable provides a list of directory locations where UNIX or Linux looks to find executable scripts or programs.

Accepted Answer

The answer of The ____________________ variable provides a list of...

Question 9

What is a glob pattern?

Accepted Answer

The answer of What is a glob pattern?...

Question 10

What is a prototype?

Accepted Answer

The answer of What is a prototype?...

Question 11

To reference a variable,you use a dollar sign ($)in front of it or enclose it in ____.

Accepted Answer

A)  square brackets ([ ]) 
B)  curly brackets ({ }) 
C)  double quotes (" ") 
D)  angle brackets ()

Question 12

Match each item with a statement below.
-environment variable that holds the path name of the program for the type of shell you are using

Accepted Answer

A)  !
B)   ??? 
C)  ENV
D)  PS1
E)  HOMEF) SHELLG) PATHH) ~I) BASH

Question 13

The ____ command enables you to initialize the terminal display or terminal window,to place text and prompts in desired locations,and to respond to what the user selects from the menu.

Accepted Answer

A)  put
B)  tput
C)  clear
D)  tclear

Question 14

Shell scripts can automatically access variables created and assigned on the command line.

Accepted Answer

A) True 
 B)False

Question 15

In shell scripts,comment lines begin with a(n)____.

Accepted Answer

A)  tilde (~) character
B)  dollar ($) sign
C)  pound (#) symbol
D)  exclamation (!) sign

Question 16

The ____________________ shell is similar to the Bash shell in many respects,but has syntax similar to that of C programming.

Accepted Answer

The answer of The ____________________ shell is similar to the...

Question 17

____ gives the owner read,write,and execute permissions.

Accepted Answer

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

Question 18

You use the ____________________ command to loop through a range of values.

Accepted Answer

The answer of You use the ____________________ command to loop...

Question 19

Shell scripts run more quickly than compiled programs.

Accepted Answer