Chapter 2
Operating System Structures

  1. OS Services
  1. User and SO Interface
  1. System Calls

4.Types of System Calls

  1. System Programs
  1. OS Structure

7.OS Debugging

  1. OS Generation
  1. System Boot

A small piece of code known as the bootstrap program located the kernel, loads it into main memory and starts its execution.

The system must be configured or generated for each specific computer site

Failure analysis

Performance tuning

DTrace

Subtema 4

Simple structure

Layered structure

Microkernels

Modules

File management

Programming-language support

Program loading and execution

Background services

Process control

File management

Device management

Information maintenance

Communication

Protection

Provide an interface to the services made available by an operating system.

These calls are generally available as routines and low-level tasks

Command interpreters

Graphical user interfaces

User interface

Program execution

I/O operations

File-system manipulation

Communications

Error detection

Resource allocation

Protection and security

Daniela Porras Quiros
2015071255