Unix Mock Test 9 - Sanfoundry

10%

Question 1 of 10

1. Which function is used by perl for reversing a string?

reverse

split

substr

rev

Question 1 of 10

Question 2 of 10

2. Which of the following is supported by awk?

while

for

if, while, for

Question 2 of 10

Question 3 of 10

3. To sort all lines from current cursor to end of line, ____ can be used.

sort !G

!Gsort

sort !,G

sort .,$

Question 3 of 10

Question 4 of 10

4. ____ section can be used if we’ve to print something after processing the last line.

start

end

begin

first

Question 4 of 10

Question 5 of 10

5. To restore a number of recent deletions, numbered buffers are used.

False

True

Question 5 of 10

Question 6 of 10

6. To remove all other windows except the current one, which of the following command is used?

:on

:new

Question 6 of 10

Question 7 of 10

7. Which option is used for reading an awk program from a file?

-i

-F

-e

-f

Question 7 of 10

Question 8 of 10

8. Which of the following is a built-in function for awk?

index

size

length

length and index

Question 8 of 10

Question 9 of 10

9. Which of the following is not true about awk arrays?

they are not expanded automatically

they are not formally defined

they are initialized to zero or an empty string

index can be a string also

Question 9 of 10

Question 10 of 10

10. A perl program runs in a special interpretive mode.

True

False

Question 10 of 10