OS - Ch2

Chapter 2: Operating-System Structures

Chapter 2: Operating-System Structures ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Objectives ,[object Object],[object Object],[object Object]

Operating System Services ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Operating System Services (Cont.) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Operating System Services (Cont.) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

User Operating System Interface - CLI ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

User Operating System Interface - GUI ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

System Calls ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Example of System Calls ,[object Object]

Example of Standard API ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

System Call Implementation ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

API – System Call – OS Relationship

Standard C Library Example ,[object Object]

System Call Parameter Passing ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Types of System Calls ,[object Object],[object Object],[object Object],[object Object],[object Object]

MS-DOS execution (a) At system startup (b) running a program

FreeBSD Running Multiple Programs

System Programs ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Solaris 10 dtrace Following System Call

System Programs ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

System Programs (cont’d) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Operating System Design and Implementation ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Operating System Design and Implementation (Cont.) ,[object Object],[object Object],[object Object],[object Object]

Simple Structure ,[object Object],[object Object],[object Object]

Layered Approach ,[object Object],[object Object]

UNIX ,[object Object],[object Object],[object Object],[object Object],[object Object]

Microkernel System Structure ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Modules ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Virtual Machines ,[object Object],[object Object],[object Object]

Virtual Machines (Cont.) ,[object Object],[object Object],[object Object],[object Object]

Virtual Machines (Cont.) ,[object Object],Non-virtual Machine Virtual Machine

Virtual Machines (Cont.) ,[object Object],[object Object],[object Object]

Operating System Generation ,[object Object],[object Object],[object Object],[object Object]

System Boot ,[object Object],[object Object],[object Object],[object Object],[object Object]

OS - Ch2

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OS - Ch2