Unix interview questions part 45
Unix interview questions part 45
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Total Questions: 20
1. awk allows the user to use variables of his own choice.
Correct Answer is : TRUE
2. Which option is used for reading an awk program from a file?
Correct Answer is : -f
3. ____ section can be used if we’ve to print something before processing the first line.
Correct Answer is : begin
4. ____ section can be used if we’ve to print something after processing the last line.
Correct Answer is : begin
5. awk uses ____ for providing comments.
Correct Answer is : #
6. Which of the following is a built-in variable for awk?
Correct Answer is : FS
7. FS defines the field separator.
Correct Answer is : TRUE
8. Which built variable is used for defining the field delimiter in the output?
Correct Answer is : OFS
9. The ____ variable stores the name of the file currently being processed.
Correct Answer is : FILENAME
10. Which of the following is not a built-in variable used by awk?
Correct Answer is : ES
11. awk supports the use of arrays.
Correct Answer is : TRUE
12. Which of the following is not true about awk arrays?
Correct Answer is : they are not expanded automatically
13. Which of the following is an associative array?
Correct Answer is : ENVIRON[ ]
14. ____ function breaks up a string on the basis of delimiter.
Correct Answer is : split
15. For running a UNIX command within awk, we’ve to use ____ function.
Correct Answer is : system
16. sqroot(x) function returns the square root of x.
Correct Answer is : FALSE
17. Which of the following is supported by awk?
Correct Answer is : if, while, for
18. print statement is necessary for printing a line.
Correct Answer is : FALSE
19. awk uses _____ dimensional arrays.
Correct Answer is : one
20. awk has some built-in functions which are used for arithmetic and string operations.
Correct Answer is : TRUE
