GUI Stands for Graphical User Interface. A Graphical User Interface is a computer interface that allows users to interact with a device through graphical elements such as pictures and animations, as opposed to text-based commands.
A set of instructions is called Program and Set of Program know as Software.
The mkdir (make directory) command in the Unix, DOS, DR FlexOS, IBM OS/2, Microsoft Windows, and ReactOS operating systems is used to make a new directory.
RMDIR command is used to delete directory in DOS