Linux Questions & Answers on Linux Commands for Freshers– 2

1. Command used to determine the path of an executable file is

a) which
b) where
c) wexec
d) what

Answer: a

2. Command used to count number of character in a file is

a) grep
b) wc
c) count
d) cut

Answer: b

3. Which of these commands could you use to show one page of output at a time?

a) less
b) sed
c) pause
d) grep

Answer: a

4. Which commands will give you information about how much disk space each file in the current directory uses?

a) ls -l
b) ls -la
c) du
d) ls -a

Answer: c

5. Which of the following command output contains userid?

a) ls
b) help
c) date
d) ls –l

Answer: d

6. Which command is used to display all the files including hidden files in your current and its subdirectories ?

a) ls –aR
b) ls –a
c) ls –R
d) ls –l

Answer: a

7. Which of the following commands can be used to copy files across systems?

a) ssh
b) telnet
c) rsh
d) ftp

Answer: d

8. pwd command displays

a) user password
b) password file content
c) present working directory
d) none of the mentioned

Answer: c

9. Which of the following commands can be used to change default permissions for files and directories at the time of creation

a) Chmod
b) Chown
c) Umask
d) Chgrp

Answer: c

10. Which tar command option is used to list the files in a tape archive format?

a) cvf
b) tvf
c) xvf
d) ovf

Answer: b

11. Which of the following commands will allow the user to search contents of a file for a particular pattern

a) touch
b) grep
c) find
d) ls

Answer: b

12. Write the command to display the current date in the form dd/mm/yyyy.

a) date +%d/%m/%Y
b) date +”%d/%m/%Y”
c) date +/%d/%m/20%y
d) date +”/%d/%m/20%y”

Answer: a

13. The command syntax to display the file ‘sample.txt’ one page at a time is

a) man sample.txt>more
b) cat sample.txtc) cat sample.txt|more
d) none of the mentioned

Answer: c

14. Which one shows the name of the operating system?

a) uname -n
b) uname -r
c) uname -o
d) uname –m

Answer: c

15. How do you add (append) a file “file1” to the example.tar file

a) no you cannot add a file to example.tar
b) tar -cvf example.tar file1
c) tar -rvf file1 example.tar
d) tar -evf file1 example.tar

Answer: c

16. How to execute ls command inside a vi editor?

a) !ls
b) :ls
c) :!ls
d) we can’t execute

Answer: c

17. Which command gives the first byte where the difference is in the file1 & file2?

a) diff
b) cmp
c) comm
d) ls -a

Answer: b

18. To open a file file1 with cursor at line number 4

a) vi +num file1
b) vi +set num file1
c) vi + “set num” file1
d) vi +/se nu file1

Answer: a

19. sed is a command typically used for

a) Perform complex calculations
b) Perform FIFO based non-blocking I/O
c) Modify/print selective contents of a file
d) None of the mentioned

Answer: c

20. What communication command provides communication to another user logged on by writing to the bottom of their terminal?

a) talk
b) write
c) chat
d) transmit

Answer: a

21. Which screen manipulation command sets the screen back to normal?

a) tput cup
b) tput smso
c) tput rmso
d) tput blink

Answer: c

22. Which command will you use to see the available routes?

a) show route
b) route status
c) netstat -r
d) none of the mentioned

Answer: c