8) Using awk print the line numbers and the lines of a file on alternate lines.

8) Using awk print the line numbers and the lines of a file on alternate lines. for example if the file is aaa bbb cccccThen the output should be:1aaa2bbb3ccc9) Using awk delete lines 5679 of a file.10. Write a shell script that prints the message no such word if the word is not found in a file(you can use egrep grep sed or awk in the script).11. Write a shell script that tests if the input is a readable file(and prints an appropriate message).12. Write a program in perl that prints every word in a file(a word is any combination of alphabetic characters; accordingly you can use the pattern /W+/ to separate words in a line.)