An information output method for displaying information of a computer system executing a plurality of tasks including: reading out task construction information corresponding to a task executed by the computer system from a storage device and displaying by an output device the task construction information in a task construction display area inside an output area; reading out logical construction information associated with the task construction information from the storage device and displaying by the output device the logical construction information in a logical construction display area inside the output area; and reading out physical construction information associated with the logical construction information from the storage device and displaying by the output device the physical construction information in a physical construction display area inside the output area.