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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 11 of 18

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Q101.
For splitting a line or expression into fields, __ is used.

a.

foreach

b.

for

c.

split

d.

join

Discuss
Answer: (c).split
Q102.
___ function is used for joining lists.

a.

foreach

b.

for

c.

split

d.

join

Discuss
Answer: (d).join
Q103.
perl is ____ of grep, tr, sed and awk.

a.

subset

b.

superset

c.

child

d.

parent

Discuss
Answer: (b).superset
Q104.
The following will display :

perl -e ‘print “UNIX” x 10 . “\n” ;’

a.

UNIX

b.

UNIX 10 times

c.

error message

d.

\n

Discuss
Answer: (b).UNIX 10 times
Q105.
Filter’s are a category of commands that take the advantage of shell redirection feature.

a.

True

b.

False

c.

May be

d.

Can't say

Discuss
Answer: (a).True
Q106.
Which command is used for preparing a file for printing?

a.

cd

b.

cat

c.

print

d.

pr

Discuss
Answer: (d).pr
Q107.
pr command adds ____ lines of margin at the top and bottom.

a.

5

b.

4

c.

2

d.

1

Discuss
Answer: (a).5
Q108.
Which option is used with pr command for printing multi-columnar output?

a.

-p

b.

-k

c.

-d

d.

-pr

Discuss
Answer: (b).-k
Q109.
Which option is used with pr command to suppress the header and footers?

a.

-p

b.

-k

c.

-t

d.

-n

Discuss
Answer: (c).-t
Q110.
Which option is used with the tail command for extracting bytes instead of lines?

a.

-f

b.

-n

c.

-c

d.

-a

Discuss
Answer: (c).-c
Page 11 of 18

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