| 摘要 |
The invention concerns a method for controlling selective execution of a programme in a computer station, characterized in that it comprises the following steps: detecting a programme launching instruction; verifying, in a storage, the value of a use reserve counter of the programme and, as the case may be, of other programmes; depending on the counter value, authorizing or denying launching of the programme; and while the programme is being used, periodically modifying in the storage the value of the use reserve counter to decrease said reserve. The invention also concerns related methods and systems. The invention is useful in particular for billing rights of use of software packages based on effective use. |
