What does information operation and maintenance do?

The so-called operation and maintenance of information technology management refers to the comprehensive management of information operation environment, information business system and information operation and maintenance personnel by the information department of the unit, that is, the so-called operation and maintenance of information technology management system. The earliest information operation and maintenance system appeared in Britain in 1980s. It was originally developed for British government departments, but soon it was widely used in many British enterprises. Hope to adopt, thank you! ! !