In general, initialization (INI) is an action during which programs, devices or communication connections are set to an operating state.
Whereas initialization on personal computers is triggered by the power-on process, it is triggered on storage media by formatting and on peripheral devices by the operating system. All these initializations are required for operation.
In communications technology, for example, initialization is used to control the logical connection setup. In order for two data stations to be able to communicate with each other, they must register with each other at the communication partner after being switched on.