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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 10 of 18

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Q91.
___ operator is used for selecting current line number.
Discuss
Answer: (a).$0
Q92.
___ is known as range operator.
Discuss
Answer: (a).. .
Q93.
The command @x=(1. .10) will assign first ten integer values to the array โ€˜aโ€™.
Discuss
Answer: (a).True
Q94.
The ___ prefix to an array name signifies the last index of the array.
Discuss
Answer: (b).$#
Q95.
For deleting the elements from the left of the array ___ function is used.
Discuss
Answer: (d).shift
Q96.
For deleting the elements from the right of the array ___ function is used.
Discuss
Answer: (a).pop
Q97.
To add elements to the left side of the array ____ function is used.
Discuss
Answer: (d).unshift
Q98.
To add elements to the right side of the array ____ function is used.
Discuss
Answer: (b).push
Q99.
Which function can combine the functionalities of push, pop, unshift and shift?
Discuss
Answer: (a).splice
Q100.
Perl also supports use of for loop in the following manner.

for($i=0;$i<3;$i++){ }
Discuss
Answer: (a).True

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