Information processing device, information processing system, and shutdown method of operating system

An information processing system comprising:

• a lock unit having a hook portion which is rotatable between a locked position and an unlocked position;
• and
• an information processing device including a connection hole which is made in a peripheral wall of a housing and into which the hook portion is insertable;
• a detecting section which detects whether or not the hook portion of the lock unit is inserted into the connection hole;
• a judging section which judges whether or not the hook portion is inserted into the connection hole, in accordance with a detection result of the detecting section when execution of shutdown processing of an operating system is required;
• and a prohibiting section which prohibits the execution of the shutdown processing until the hook portion is inserted into the connection hole when it is judged that the hook portion is not inserted into the connection hole.

A shutdown method of an operating system of an information processing device having an executing section which executes an operating system;

• a body having a housing with a peripheral wall;
• a connection hole which is made in the peripheral wall of the housing and into which a hook portion of a lock unit is insertable, the lock unit having the hook portion which is rotatable between a locked position and an unlocked position;
• and a detecting section which detects whether or not the hook portion of the lock unit is inserted into the connection hole, the method comprising:
• judging whether or not the hook portion is inserted into the connection hole when execution of shutdown processing of the operating system is required;
• and
• prohibiting the execution of the shutdown processing of the operating system until the hook portion is inserted into the connection hole when it is judged that the hook portion is not inserted into the connection hole.