In "operating system data itself" in the following text, does 'operating' act as a verb (i.e, 'to operate system data') or as part of noun phrase "operating system"?
In information technology, a dataset can be used through various computer applications depending on the type of data. For example, a dataset can hold information about health insurance records or medical records, which can be accessed by a program running on the system. A dataset is also used for operating system data itself such as macro libraries, system variables, or source programs.
The text was taken from this article: Dataset