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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 16 of 18

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Q151.
____ section can be used if we’ve to print something before processing the first line.

a.

end

b.

begin

c.

start

d.

first

Discuss
Answer: (b).begin
Q152.
____ function breaks up a string on the basis of delimiter.

a.

length

b.

substr

c.

system

d.

split

Discuss
Answer: (d).split
Q153.
For running a UNIX command within awk, we’ve to use ____ function.

a.

length

b.

substr

c.

system

d.

split

Discuss
Answer: (c).system
Q154.
sqroot(x) function returns the square root of x.

a.

True

b.

False

c.

May be

d.

Can't say

Discuss
Answer: (b).False
Q155.
Which of the following is supported by awk?

a.

if

b.

while

c.

for

d.

if, while, for

Discuss
Answer: (d).if, while, for
Q156.
print statement is necessary for printing a line.

a.

True

b.

False

c.

May be

d.

Can't say

Discuss
Answer: (b).False
Q157.
awk uses _____ dimensional arrays.

a.

one

b.

two

c.

multi

d.

three

Discuss
Answer: (a).one
Q158.
awk has some built-in functions which are used for arithmetic and string operations.

a.

True

b.

False

c.

May be

d.

Can't say

Discuss
Answer: (a).True
Q159.
Which of the following is a built-in function for awk?

a.

length

b.

index

c.

size

d.

length and index

Discuss
Answer: (a).length
Q160.
The _____ function extracts a substring from a string.

a.

length

b.

index

c.

size

d.

substr

Discuss
Answer: (d).substr
Page 16 of 18

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