Unix interview questions part 6
Unix interview questions part 6
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Total Questions: 20
1. Which command is used for extracting the details of the operating system?
Correct Answer is : uname
2. The sequences of directories that a shell searches while looking for a command is specified in the PATH variable.
Correct Answer is : TRUE
3. Options are also arguments but begin with a -.
Correct Answer is : TRUE
4. Which of the following is not a valid option of uname?
Correct Answer is : -z
5. How can we specify more than one command in the command line at the same time?
Correct Answer is : using ;
6. Which command is used to display the documentation of commands in UNIX?
Correct Answer is : man
7. Which command is used for displaying date and calendar in UNIX?
Correct Answer is : date and cal
8. What is the output of who command?
Correct Answer is : display information about users who are currently logged in.
9. What are meta-characters?
Correct Answer is : special characters having predefined meaning to the shell
10. Which command is used for displaying date in the format dd/mm/yyyy ?
Correct Answer is : date +”%d/%m/%Y”
11. Which of the following symbols are used for searching a pattern in vi?
Correct Answer is : / and ?
12. ____ searches for a first instance of a pattern in forwarding direction.
Correct Answer is : /
13. ____ searches for a first instance of a pattern in the backward direction.
Correct Answer is : ?
14. Which command is used for repeating the search in the same direction?
Correct Answer is : n
15. Which command is used to reverse the direction of repeating the search?
Correct Answer is : N
16. Substitution command is an ex-mode command.
Correct Answer is : TRUE
17. Which of the following symbol is used for substitution command?
Correct Answer is : s
18. Which of the following is a correct syntax for performing substitution on a file?
Correct Answer is : :address/source_pattern/target_pattern/flag
19. We cannot leave the flag field empty while performing the substitution.
Correct Answer is : FALSE
20. The target pattern is optional.
Correct Answer is : TRUE
