A method of operating a computer system

The invention relates to a method of operating a computer system, in particular in a vehicle (1), are generated in the graphic data of a display and output and at least one character string is detected. a command for an application program is created and executed on the basis of at least a character string, wherein the instruction relates to a particular program state of the application program. Further, based on the character string within the display an application window (8 8a, 8b, 8c), is produced having the properties window and is associated with the application program. In this case, (8, 8a, 8b, 8c), the application window generated in response to the program state of the application program and on the basis of the application window (8, 8a, 8b, 8c) and the application program creates a new string.