Menu script with commands written in shell script2 and c

Question

Menu Script with commands written in shell script(2) and C program(2) and system call(2)

FILE AND DIRECTORY MANAGEMENT COMMANDS

1 -- Display the current date and time
2 -- Current disk usage
3 -- List current local and environmental
4 -- Display process status information
5 -- Display the contents of a file
6 -- Remove a file
7 -- Copy a file
8 -- List a file
9 -- Size of a file
10 -- Exit Program;

Enter your choice: