University:
California State University, Northridge
Course:
CIT 210/L | Deployment and Management of Operating Systems and Lab
Academic year:

2024
Views:

474

Pages:

4
Author:

ilikemyicons0y5

Operating Systems: Internals and Design Principles Chapter 2 Operating System Overview Operating System ◼A program that controls the execution of application programs ◼ An interface between applications and hardware Main objectives of an OS: • Convenience • Efficiency • Ability to evolve Application programming interface Application binary interface Application programs Libraries/utilities Software Operating system I nstruction Set Architecture Execution hardware System interconnect (bus) I /O devices and networking M emory translation Hardware M ain memory Figure 2.1 Computer Hardware and Software Structure Operating System Services ◼ Program development ◼ Program execution ◼ Access I/O devices ◼ Controlled access to files ◼ System access ◼ Error detection and response ◼ Accounting