Answer: B. Some syntax is different
Explanation: The graphical user interface and the command line are both ways of interacting with our computer such that through them we can perform numerous functions very easily. However, the graphical user interface and the command line both offers different methods or ways of interaction with our computers. GUI's provides an interactive platform with our computer using visual icons and representarion, hence increasing usability especially for an average user. The command line on the other hand allows interaction with our computer through the use of text typed from the command line interpreter by following a defined syntax for each type of command or task to be performed.
Programs may be written and designed to run in ith environment, however application developers need to pay attention to the syntax due to the differences which exists while writing programs designed for each of the interfaces.