Patent ID: 6898389

Claim:
An image forming apparatus having a display unit for displaying a program which can be executed in the apparatus so that it can be identified, comprising: input means for inputting a program into said image forming apparatus; and display control means for controlling the display unit to display (a) a plurality of program display windows each corresponding to a different one of a plurality of programs provided in said image forming apparatus and (b) a program list display window that displays a list of the plurality of programs and displays a plurality of window switching tabs each corresponding to a different one of the plurality of program display windows and instructing display switching to the corresponding program display window, wherein when the program list display window becomes impossible to display any additional window switching tab, said display control means controls the display unit to display a window switching key for switching the program list display window to a new program list display window, in response to input of a new program by said input means.