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Welcome to the Filters and Regular Expressions MCQs Page

Dive deep into the fascinating world of Filters and Regular Expressions with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Filters and Regular Expressions, a crucial aspect of UNIX. In this section, you will encounter a diverse range of MCQs that cover various aspects of Filters and Regular Expressions, from the basic principles to advanced topics. Each question is thoughtfully crafted to challenge your knowledge and deepen your understanding of this critical subcategory within UNIX.

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Check out the MCQs below to embark on an enriching journey through Filters and Regular Expressions. Test your knowledge, expand your horizons, and solidify your grasp on this vital area of UNIX.

Note: Each MCQ comes with multiple answer choices. Select the most appropriate option and test your understanding of Filters and Regular Expressions. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

Filters and Regular Expressions MCQs | Page 12 of 18

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Q111.
paste command uses space as the default field delimiter.

a.

True

b.

False

c.

May be

d.

Can't say

Discuss
Answer: (b).False
Q112.
_____ option is used with paste command if we want to specify our own delimiter.

a.

-d

b.

-c

c.

-a

d.

-e

Discuss
Answer: (a).-d
Q113.
Which option is used with paste command for joining lines?

a.

-s

b.

-c

c.

-a

d.

-e

Discuss
Answer: (a).-s
Q114.
____ command is used for sorting a file on specified fields.

a.

cut

b.

sort

c.

pr

d.

tail

Discuss
Answer: (b).sort
Q115.
The name of the input and output files cannot be same while using sort command.

a.

True

b.

False

c.

May be

d.

Can't say

Discuss
Answer: (b).False
Q116.
Which command is used for locating repeated and non-repeated lines?

a.

sort

b.

uniq

c.

cut

d.

paste

Discuss
Answer: (b).uniq
Q117.
uniq command requires a sorted file as input.

a.

True

b.

False

c.

May be

d.

Can't say

Discuss
Answer: (a).True
Q118.
Which option is used with uniq command for selecting non-repeated lines?

a.

-i

b.

-c

c.

-u

d.

-a

Discuss
Answer: (c).-u
Q119.
Which one of the following command is used for searching for a pattern in one or more file(s)?

a.

cd

b.

cp

c.

paste

d.

grep

Discuss
Answer: (d).grep
Q120.
Which one of the following is the correct syntax for grep command?

a.

grep options filename(s)

b.

grep options pattern

c.

grep pattern filename

d.

grep options pattern filename(s)

Discuss
Answer: (d).grep options pattern filename(s)
Page 12 of 18

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