Write the Linux commands Execute the commands and copy the output

6. To search for the word Apple in the exam1.txt file and write the output in the file exam2.txt.

7. To copy the file exam1.txt to exam3.txt.

8. To know the present working directory.

9. To rename the file exam2.txt to sample.txt.

10. To list all the files in the home directory.

11. To display the last 3 lines in the file exam1.txt.

12. To remove the file exam3.txt.