Introduction to Linux I – Chapter 06 Exam Test Online 2019

1. Question

1 points

Which of the following is not used for globbing?

[
#
?
*

2. Question

1 points

How many times can you use a * glob character in a pattern?

Two
No limit
Three
One

3. Question

1 points

The command echo a* will display:

All of the files in the current directory that begin with an “a” character.
Only the file named “a*”.
All of the files in any directory that begin with an “a” character.
All of the files in the current directory that begin with an “a” or “A” character.

4. Question

1 points

Assuming at least one file matching the pattern is in the current directory, the command echo ???a will display:

All of the files in the current directory that have four characters in the file name.
All of the files in the current directory that have four characters in the file name with the last character being an “a” character.
All of the files in the current directory that end with an “a” character.
Only a file named ???

5. Question

1 points

Which of the following characters can be used to negate (indicate NOT matching the following characters), when placed as the first of a set of characters enclosed in square brackets [] ? (choose two)

?
^
~
!

6. Question

1 points

The range defined inside of square brackets is based on the:

Standard text table
ASCII text table
Invalid question as ranges are not permitted
ANSI text table

7. Question

1 points

To view the ASCII text table in Linux, you can use the following command:

view ASCII
list ACSII
man ASCII
echo ASCII

8. Question

1 points

Within square brackets, (Example: [?]) the ? character means:

Match a ? character
Match zero or more of any ? characters
Exactly one character
Nothing, it has no meaning at all

9. Question

1 points

You can combine glob characters in a single pattern, for example: a??*[0-9]. True or False?

True
False

10. Question

1 points

Which command will display more information about globbing?

echo globbing
man 7 globbing
man 7 glob
man -7 glob

11. Question

1 points

Which command performs globbing?

The ls command
The echo command
The bash command
The display command

12. Question

1 points

Which of the following will match files that have the string “hello” somewhere in the file name?

echo hello*hello
echo hello*
echo *hello*
echo *hello

13. Question

1 points

The glob pattern [a-d] would match:

A file name with a single character that is either an “a”, “-“, or “d”.
Nothing, this is an invalid glob pattern.
A file name with a single character that is either a “a”, “b”, “c”, or “d”.
All files

14. Question

1 points

The glob pattern [!abc]*

Nothing, this is an invalid glob pattern
All files that start with any character except “a”, “b” or “c”
All files
All files that start with either of the following characters: “!”, “a”, “b” or “c”.

15. Question

1 points

Which glob character matches “exactly one character”?

?
*
.
[

16. Question

1 points

Which glob character matches “zero or more characters”?

.
?
*
[

17. Question

1 points

Which two characters match “a single character from a set of specified characters”?

[]
..
**
??

18. Question

1 points

Which two characters represent the empty string?

**
&&
..
“”

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