Unix Interview Questions - 38 | Snaprecruit.com

Unix Interview Questions - 38 | Snaprecruit.com

Unix interview questions part 38

Unix interview questions part 38

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Total Questions: 20

1. read command is shell’s internal tool.

Correct Answer is : TRUE

2. A single read statement can be used with one or more variables.

Correct Answer is : TRUE

3. What are positional parameters?

Correct Answer is : special variables for assigning arguments from the command line

4. The first argument is read by the shell into the parameter ___

Correct Answer is : 1

5. The complete set of positional parameters is stored in ______ as a single string.

Correct Answer is : $*

6. Which of the following is used for storing the number of positional parameters?

Correct Answer is : $#

7. Which of the following commands let us perform a set of instructions repeatedly?

Correct Answer is : for, while, until

8. Which of the following keywords are used in while loop?

Correct Answer is : do and done

9. until loop operates with a reverse logic as used in while loop.

Correct Answer is : TRUE

10. Which one of the following is used for looping with a list?

Correct Answer is : for

11. Which of the following loop statements uses do and done keyword?

Correct Answer is : for and while

12. Which command is used for changing filename extensions?

Correct Answer is : basename

13. Which command is used by the shell for manipulating positional parameters?

Correct Answer is : set

14. ____ statement is used for shifting arguments left.

Correct Answer is : shift

15. Which one of the following is an internal command?

Correct Answer is : set

16. Which symbol is used with the set command for command substitution?

Correct Answer is :

17. The ____ allows us to read data from the same file containing the script.

Correct Answer is : <<

18. Any command using standard input can take the input from here document.

Correct Answer is : TRUE

19. Which of the following command doesn’t accept a filename as an argument?

Correct Answer is : mailx

20. We can use the here document with interactive programs also.

Correct Answer is : TRUE

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