An apparatus and method for displaying system management command execution status in real-time are provided. The apparatus and method display a window that is divided into a plurality of sub-windows. One sub-window is used to display all the computers on which the system command has not yet started to execute. Another sub-window is used to display all computer systems on which the execution of the command has started. One sub-window is used to display all computer systems that have not successfully completed the command and another sub-window is used to display all computer systems that have successfully executed the command. When a computer system, displayed in the window displaying all computer systems that have started execution of the command, is highlighted or selected, the real-time progress of the execution of the command is displayed. If the computer system is instead displayed in the window in which all computers that have not successfully executed the command are displayed, the reason for the unsuccessful completion of the execution of the command is displayed.