operating systems
preferred label: سیستم‌های عامل @fa
type: Concept
related: service routines

service routines
alternative label: RUTINAS DE UTILIDAD
related: operating systems
broader: processing programmes
preferred label: روال‌های خدماتی @fa
type: Concept

processing programmes
preferred label: برنامه‌های پردازشی @fa
type: Concept
narrower: service routines