Answer:
The syntax are different.
Step-by-step explanation:
Graphic user interface is a computer system interface that uses graphics of images to represent and activate or run applications and other activities in the device. The command line interface is text format interface that accepts typed commands to execute a task.
Programming both interface requires high level of program skills, with knowledge in algorithms and programming language like C, C++ etc. The syntax in GUI is more complex and different from the command line interface.