Unix Practice Test 9

1. For deleting the elements from the left of the array ___ function is used.

2. vi used ___ to enter control characters.

3. perl also supports use of for loop in the following manner.

for($i=0;$i<3;$i++){ }

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

5. For searching a character, ___ and ___ are used.

6. To delete from current cursor upto the first occurrence of }, which of the following will be used?

7. awk uses _____ dimensional arrays.

8. To split the screen into multiple windows, we can use ____ command.

9. awk uses ___ operator for concatenating strings.

10. Which of the following is an invalid command?