operating systems

8:33 LTE Project 1 Develop a Student Score Management system using Shell Scripting Requirement: The System should have below basic functions - Add: add a new record, e.g. "Mary Stone 98" - Delete: delete a record by name - Search: search records by name - Display: display all the records - Help: show the help menu - Exit: exit the system Each of them should be implemented by individual functions called in the main script Bonus: You can add some checks to make the script more robust. For example - Before adding a new record, you can check whether the record file exists. If no, a file should be created first - Before deleting, you can check whether the name exists and show some message 8:33 LTE >> Hary The record you sear 8:34 ILTE Project 1 Mary The record you search ts Mary Stone 99 Please enter your choice [1, 2, 3, 4, *. : Please Enter Name >>> Mary Mary stone99 Deleted successfully! Please enter your choice 11. 2. 3. 4. H. 01: Andy Lee S8 Please enter your choice 1, 2, 3, 4. H. 21: STUDENT'S RECORD MENU 1. Search 2. Add 3. Delete 4. Display Help Screen How to submit: Please submit a report in WORD/PDF format. The report should include below three parts: - the design of your system (such has the provided functions, error handling, code structure) - the code of your system - the sample usage of your system (similar as the screenshot above) 8:33 LTE Project 1 Develop a Student Score Management system using Shell Scripting Requirement: The System should have below basic functions - Add: add a new record, e.g. "Mary Stone 98" - Delete: delete a record by name - Search: search records by name - Display: display all the records - Help: show the help menu - Exit: exit the system Each of them should be implemented by individual functions called in the main script Bonus: You can add some checks to make the script more robust. For example - Before adding a new record, you can check whether the record file exists. If no, a file should be created first - Before deleting, you can check whether the name exists and show some message 8:33 LTE >> Hary The record you sear 8:34 ILTE Project 1 Mary The record you search ts Mary Stone 99 Please enter your choice [1, 2, 3, 4, *. : Please Enter Name >>> Mary Mary stone99 Deleted successfully! Please enter your choice 11. 2. 3. 4. H. 01: Andy Lee S8 Please enter your choice 1, 2, 3, 4. H. 21: STUDENT'S RECORD MENU 1. Search 2. Add 3. Delete 4. Display Help Screen How to submit: Please submit a report in WORD/PDF format. The report should include below three parts: - the design of your system (such has the provided functions, error handling, code structure) - the code of your system - the sample usage of your system (similar as the screenshot above)