Abstract: A seamless system according to the present invention manages data obtained by associating user identification data accepted from a device with processing identification data indicating a process requested to be executed from the device, registers in the data restart achievement data to be used to achieve restarting of the process indicating processing identification data, acquires the processing identification data and restart achievement data corresponding to the user identification data based on the data when a restart request and the user identification have been accepted, and provides to an originating device making a restart request an execution result of the process indicated by the processing identification data obtained based on the restart achievement data.

Abstract: The debug assisting apparatus comprises a task information recording device to record the execution information of task A, task B, and task C executed by the OS 1 in multitask processing, an object execution information recording device to record the information of the objects operated by the tasks, an information merging device both to chronologically merge the recorded object execution information and execution information of task A, task B, and task C and to store such information as the program operation history in a history storing device, and an output data generating device to generate the output data showing the execution progress of task A, task B, and task C and the operation of the objects in association according to the operation history table in the history storing device and output such data to the input/output device (monitor).