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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]
Parameter Passing via Table
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]
MS-DOS Layer Structure
Layered Approach ,[object Object],[object Object]
Layered Operating System
UNIX ,[object Object],[object Object],[object Object],[object Object],[object Object]
UNIX System Structure
Microkernel System Structure  ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Mac OS X Structure
Modules ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Solaris Modular Approach
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]
VMware Architecture
The Java Virtual Machine
Operating System Generation ,[object Object],[object Object],[object Object],[object Object]
System Boot ,[object Object],[object Object],[object Object],[object Object],[object Object]
End of Chapter 2

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Chapter 2 - Operating System Structures