Unix interview questions part 16
Unix interview questions part 16
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Total Questions: 20
1. If the file is write-protected and the directory has to write permission then we cannot delete the file.
Correct Answer is : FALSE
2. What is execute permission?
Correct Answer is : permission to search or navigate through the directory
3. Which of the following is default permission set for ordinary files?
Correct Answer is : rw-rw-rw-
4. Which of the following is default permission set for directories?
Correct Answer is : rwxrwxrwx
5. A file owner does not have a permission to edit the file but the group to which the file owner belong do have the permission to edit it. Can owner edit the file?
Correct Answer is : No
6. Filter’s are a category of commands that take the advantage of shell redirection feature.
Correct Answer is : TRUE
7. Which command is used for preparing a file for printing?
Correct Answer is : pr
8. pr command adds ____ lines of margin at the top and bottom.
Correct Answer is : 5
9. Which option is used with pr command for printing multi-columnar output?
Correct Answer is : -k
10. Which option is used with pr command to suppress the header and footers?
Correct Answer is : -t
11. Which option is used with pr command to display output along with line numbers?
Correct Answer is : -n
12. -h option is used with pr command to add a header of our choice.
Correct Answer is : TRUE
13. ___ operator is used with pr command to start printing from a specific page.
Correct Answer is : #ERROR!
14. Which command is used for displaying the beginning of a file?
Correct Answer is : head
15. By default, how many lines are displayed using the head command?
Correct Answer is : 10
16. Which option is used with the head command to specify line count to display?
Correct Answer is : -n
17. ___ command is used for displaying the end of the file.
Correct Answer is : tail
18. We can also use -n option with tail command.
Correct Answer is : TRUE
19. Which symbol is used with the tail command to print the file from the selected line?
Correct Answer is : #ERROR!
20. Which of the following command is incorrect?
Correct Answer is : tail -o +5 emp.lst
