Also called an "executive" or "supervisor," an operating system performs the following functions ... small or large use an operating system in some form. THIS DEFINITION IS FOR PERSONAL USE ...

Apple has published a list of which new functions will be available on which iPhones under iOS 26. Some of it seems arbitrary ...

With iOS 18 just announced, Apple has also revealed the list of supported devices for this upcoming operating ... new system, it doesn’t mean they will get all the features, as several functions ...