PROBLEM TO BE SOLVED: To provide a suspension/resumption managing method and device, which conduct a test for continuously repeating a suspension processing/ resumption function by the number of suspension/resumption processing trial times. SOLUTION: A suspension processing which registers designated automatic start time to a task function that operating software supplies and temporarily preserves data during work and an execution program by operating software and/or a resumption processing for automatically starting the execution program when it becomes designated automatic starting time by the task function and restoring data during work and the execution program, which are preserved in a storage means, to an original state are used and the suspension processing/ resumption processing are automatically repeated by the number of suspension/ resumption processing trial times.
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