PLEASE EXPLAN THE ANSWER IN DETAIL. THIS IS 100 MARKS QUESTION. I WILL UPVOTE YOU. THANK YOU IN ADVANCE. You should create a main menu consisting of selections of the three cmdlets plus three more utilities for monitoring process and memory status of your linux system. The three utilities will be be written using bash shell script. They should do the following: i. List of processes currently running in the system and total number of processes currently running in the system. ii. Listing all the directories in the root directory and total them up. iii. List all the files in user directory according to the most recently modified first