basic operating system concepts ppt

... file system hierarchy Any operating system needs to save numerous files: from system configuration files, to log files or user files etc. In general, each operating system uses its own file system ... GNUFDLã PID_00148393 17 Basic GNU/Linux 2. Basic concepts and commands 2.1. Introduction In this section we will learn the basic ideas and instructions needed for moving around the system. If we are ... have on the system appropriately, so that we can have more than one operating system installed on the same disk, for instance. The df command shows us, for each unit mounted on the system, the...

Ngày tải lên: 08/03/2014, 23:20

... Galvin and Gagne â2005 Operating System Concepts - 7 th Edition, Feb 7, 2006 Process in Memory Process in Memory 3.39 Silberschatz, Galvin and Gagne â2005 Operating System Concepts - 7 th Edition, ... and Gagne â2005 Operating System Concepts - 7 th Edition, Feb 7, 2006 Diagram of Process State Diagram of Process State 3.15 Silberschatz, Galvin and Gagne â2005 Operating System Concepts - 7 th Edition, ... â2005 Operating System Concepts - 7 th Edition, Feb 7, 2006 Representation of Process Scheduling Representation of Process Scheduling 3.42 Silberschatz, Galvin and Gagne â2005 Operating System Concepts...

Ngày tải lên: 28/06/2014, 02:20

Ngày tải lên: 28/06/2014, 02:20

Ngày tải lên: 28/06/2014, 02:20

... network operating system. Just as a computer cannot operate without an operating system, a network of computers cannot operate without a network operating system. Every network operating system ... network operating system s manufacturer, a desktop computer’s networking software can be added either to the computer’s own operating system or be integrated with it. Network operating system ... mathematical calculation. A network operating system must also support multiple processors, clusters of disk drives, and data security features. Finally, a network operating system must be reliable and...

Ngày tải lên: 09/12/2013, 17:15

... Actions [U] System XMODEM upgrade [D] Download test subsystem (XMODEM) [T] System TFTP upgrade [X] Exit to Main Menu Enter Selection: 4 - 6 CCNA 3: Switching Basics and Intermediate ... v 3.0 - Lab 6.2.7a Copyright  2003, Cisco Systems, Inc. Lab 6.2.7a Managing Switch Operating System Files Objective ã Create and verify a basic switch configuration. ã Backup the switch ... configuration, refer to the Basic Switch Configuration lab. 1 - 6 CCNA 3: Switching Basics and Intermediate Routing v 3.0 - Lab 6.2.7a Copyright  2003, Cisco Systems, Inc. ALSwitch#copy...

Ngày tải lên: 24/01/2014, 19:20

... interface standards are EIDE (Enhanced Integrated Drive Electronics) and SCSI (Small Computer System Interface). ã EIDE has evolved over the years and has several variants, all of which have...

Ngày tải lên: 16/02/2014, 08:20

... System Calls 62 2.4 Types of System Calls 66 2.5 System Programs 74 2.6 Operating- System Design and Implementation 75 2.7 Operating- System Structure 78 2.8 Operating- System Debugging 86 2.9 Operating- System ... Open-Source Operating Systems 43 1.13 Summary 47 Exercises 49 Bibliographical Notes 52 Chapter 2 Operating- System Structures 2.1 Operating- System Services 55 2.2 User and Operating- System Interface ... 1 Introduction 1.1 What Operating Systems Do 4 1.2 Computer -System Organization 7 1.3 Computer -System Architecture 12 1.4 Operating- System Structure 19 1.5 Operating- System Operations 21 1.6...

Ngày tải lên: 16/02/2014, 22:58

Ngày tải lên: 16/03/2014, 08:20

... 2002 1.1 Operating System Concepts Chapter 1: Introduction ■ What is an Operating System? ■ Mainframe Systems ■ Desktop Systems ■ Multiprocessor Systems ■ Distributed Systems ■ Clustered System ■ ... 2002 2.9 Operating System Concepts Device-Status Table xiv Contents Chapter 3 Operating- System Structures 3.1 System Components 55 3.2 Operating- System Services 61 3.3 System Calls 63 3.4 System Programs ... an Operating System? 3 1.2 Mainframe Systems 7 1.3 Desktop Systems 11 1.4 Multiprocessor Systems 12 1.5 Distributed Systems 14 1.6 Clustered Systems 16 1.7 Real-Time Systems 17 1.8 Handheld Systems...

Ngày tải lên: 19/03/2014, 13:41

Ngày tải lên: 13/05/2014, 00:27

... and is the unit of work in a modern time-sharing system. Such a system consists of a collection of processes: Operating- system processes executing system code and user processes executing user code. ... errors possible on a system. 3.7 What is the purpose of system calls? Answer: System calls allow user-level processes to request services of the operating sys- tem. 3.8 Using system calls, write ... more reliable operating system. 3.13 What is the main advantage for an operating- system designer of using a virtual-machine architecture? What is the main advantage for a user? Answer: The system is...

Ngày tải lên: 28/06/2014, 00:20

... Gagne â2005 Operating System Concepts 7 th Edition, Feb 11, 2005 File File - - System Control Blocks System Control Blocks A.7 Silberschatz, Galvin and Gagne â2005 Operating System Concepts ... Galvin and Gagne â2005 Operating System Concepts 7 th Edition, Feb 11, 2005 System Calls System Calls  System calls define the programmer interface to UNIX  The set of systems programs commonly ... â2005 Operating System Concepts 7 th Edition, Feb 11, 2005 Typical UNIX Directory Structure Typical UNIX Directory Structure A.50 Silberschatz, Galvin and Gagne â2005 Operating System Concepts...

Ngày tải lên: 28/06/2014, 02:20

... and Gagne â2005 Operating System Concepts 7 th Edition, Feb 11, 2005 Mirror Set on Two Drives Mirror Set on Two Drives C.12 Silberschatz, Galvin and Gagne â2005 Operating System Concepts 7 th Edition, ... C.33 Silberschatz, Galvin and Gagne â2005 Operating System Concepts 7 th Edition, Feb 11, 2005 File System File System — — Recovery Recovery  All file system data structure updates are performed ... C.31 Silberschatz, Galvin and Gagne â2005 Operating System Concepts 7 th Edition, Feb 11, 2005 File System File System  The fundamental structure of the 2000 file system (NTFS) is a volume z Created...

Ngày tải lên: 28/06/2014, 02:20

... aspects of system z Loads operating system kernel and starts execution 1.4 Silberschatz, Galvin and Gagne â2005 Operating System Concepts 7 th Edition, Jan 12, 2005 What is an Operating System? What ... Introduction Chapter 1: Introduction  What Operating Systems Do  Computer -System Organization  Computer -System Architecture  Operating- System Structure  Operating- System Operations  Process Management  ... â2005 Operating System Concepts 7 th Edition, Jan 12, 2005 Computer System Structure Computer System Structure  Computer system can be divided into four components z Hardware – provides basic...

Ngày tải lên: 28/06/2014, 02:20

... and Gagne â2005 Operating System Concepts 7 th Edition, Jan 14, 2005 Layered Operating System Layered Operating System 2.24 Silberschatz, Galvin and Gagne â2005 Operating System Concepts 7 th Edition, ... 2.4 Silberschatz, Galvin and Gagne â2005 Operating System Concepts 7 th Edition, Jan 14, 2005 Operating System Services Operating System Services  One set of operating- system services provides functions ... – – System Call System Call – – OS Relationship OS Relationship 2.42 Silberschatz, Galvin and Gagne â2005 Operating System Concepts 7 th Edition, Jan 14, 2005 Operating System Generation Operating...

Ngày tải lên: 28/06/2014, 02:20

... and Gagne â2005 Operating System Concepts 7 th edition, Jan 23, 2005 Many Many - - to to - - One Model One Model 4.15 Silberschatz, Galvin and Gagne â2005 Operating System Concepts 7 th edition, ... and Gagne â2005 Operating System Concepts 7 th edition, Jan 23, 2005 Many Many - - to to - - Many Model Many Model 4.10 Silberschatz, Galvin and Gagne â2005 Operating System Concepts 7 th edition, ... development of the library  Common in UNIX operating systems (Solaris, Linux, Mac OS X) 4.6 Silberschatz, Galvin and Gagne â2005 Operating System Concepts 7 th edition, Jan 23, 2005 Kernel...

Ngày tải lên: 28/06/2014, 02:20

Ngày tải lên: 28/06/2014, 02:20

Ngày tải lên: 28/06/2014, 02:20

Ngày tải lên: 28/06/2014, 02:20