1. 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 +â€?/%d/%m/20%yâ€?  

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

a) man sample.txt>more

b) cat sample.txt

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

a) uname -n

b) uname -r

c) uname -o

d) uname –m  

4. 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  

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

a) !ls

b) :ls

c) :!ls

d) we can’t execute  

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

a) diff

b) cmp

c) comm

d) ls -a  

7. 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  

8. 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  

9. 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

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

a) tput cup

b) tput smso

c) tput rmso

d) tput blink  

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

a) show route

b) route status

c) netstat -r

d) none of the mentioned