What problem may arise if you don't provide the shell name inside a program?
Is it necessary to make a file containing a shell program executable?
Create a shell program that reads three command line arguments and then prints these in reverse order.
What is the importance of exit codes?
Write a shell program that uses the test command in explicit mode to check if the first and second command line arguments have the same value.
What is the major difference between the if and case structures?