(Step 1 & 2) Currently, the use case requires the user to input a successful command before the up-arrow feature can be used. However, this should be an extension instead. If no previous command is available to choose from, the system should simply display nothing back to the user (which is the current behaviour).
(Step 1 & 2) Currently, the use case requires the user to input a successful command before the up-arrow feature can be used. However, this should be an extension instead. If no previous command is available to choose from, the system should simply display nothing back to the user (which is the current behaviour).