1. A man-machine interface operating system, including display means, for interactive processing of input data given by means of input means in accordance with a menu displayed on the display means, which comprises: input batch operation means which receives input data from the input means; command execution control means which produces and/or updates interface data for executing a command based on the input data received by the input batch operation means, and makes a decision based on the interface data as to whether the command to be executed is a continuous command or a new command; command processing means which processes the command selected by the command execution control means; whereby a command execution routine is repeated according to the produced and/or updated interface data for executing the command.