Question 31 : Which of the following is a built-in variable for awk?
1. ps
2. $0
3. FS
4. FN
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Question 32 : awk uses ____ for providing comments.
1. %%
2. //
3. #
4. $$
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Question 33 : A user-defined variable is initialized to ____
1. zero
2. zero or null string
3. null
4. operator
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Question 34 : What is the default delimiter used by awk?
1. tab
2. whitespace
3. double space
4. |
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Question 35 : The default action if selection_criteria is missing is ____
1. print
2. split
3. print and split
4. no default action
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Question 36 : Awk filter operates at field level.
1. True
2. False
3.
4.
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Question 37 : Which filter apart from perl, is the most powerful?
1. sed
2. awk
3. grep
4. cut
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