Patent ID: 7970885

Claim:
A device management (DM) method of a terminal, the method comprising: checking, at least one schedule which exists in a form of a device management tree in the terminal, wherein the schedule includes a task including a command for device management, a condition for execution of the task, and user interaction information, wherein the user interaction information includes at least one of a first element relating to a confirmation of the execution of the task, a second element specifying whether it is possible to reschedule the execution of the task, and a deadline element specifying a deadline until which it is possible to defer or reschedule the execution of the task, and wherein the schedule further includes control information for changing a state of the schedule, the state being toggled between a stopped state and a running state; providing, based on the control information, a first function capable of stopping or starting an operation of the schedule; after the state of the schedule is changed into the running state, waiting until the task has to be executed based on the condition for execution of the task; when the task has to be executed, providing based on at least one of the first element, the second element and the deadline element, a second function capable of confirming or rescheduling the execution of the task, wherein the second function is provided to wait for a user action until a predetermined time, and wherein the predetermined time includes a minimum time and a maximum time for which the user action is waited and a message is displayed; and executing the task by the terminal without connecting with the server.