Operating Systems through Case Studies General OS model
Not shown: The Kernel: The director of the whole production.
Applications UML: The actor is the initiating or reacting element in computation. Actors interact with each other and with the system. Applications, utilities and modules can be actors and users are actors too.
User Interface
Application Programmer’s Interface
File System In the stage metaphor: Scripts, costumes, props, scenery, technical manuals for all the equipment. Most of the equipment too.,
Task Management / Scheduling Who is on stage, who is coming off, who is getting ready in the dressing room, prompt them for lines etc.
Memory Management Backstage manager: Controls all the stored equipment and facilities.
IO and Hardware
The actual stage, the footlights, curtains, trapdoors, wings, exits, entrances etc.