| 摘要 |
PURPOSE:To modify a system program, etc., while operating a system by modifying a division unit such as a segment that is loaded at the time of an unattended interruption occurring as an unattended segment interruption. CONSTITUTION:When the content of a certain division unit of a certain program needs to be modified while operating a system, the modification information of the desired division unit is registered in a file 40 by an instruction means 10 to set a message that the modification of the division unit is being requested in a storage means 52 corresponding to the very division unit. Later, when an unattended interruption such as an unattended segment interruption is generated, said division unit is loaded on a main storage device 30 from a backing store 60, at which time, the content of the storage means 52 corresponding to the division unit is checked, and the division unit itself is modified of its content based on the modification information registered in the file 40. As a result, the modification of a system program, etc., can be executed, while operating a system.
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